{"product_id":"geology-and-engineering-by-robert-f-legget","title":"Geology and Engineering by Robert F Legget","description":"\u003cbody\u003e\n\u003c!-- HTML Generated by Auction Wizard 2000 - http:\/\/www.AuctionWizard2000.com\/ --\u003e\n\n\n   \u003cmeta charset=\"UTF-8\"\u003e\n   \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\n\n\u003c!-- AW2KLOT#:167693 --\u003e\n\u003cbr\u003e\n\u003ctable style=\"width:98%;padding:2px;margin:auto;border:5px outset #673434;background-color:#FDF3D0\"\u003e\u003ctr\u003e\u003ctd style=\"border:1px inset #673434;margin:5px;\"\u003e\n\u003ctable style=\"width:100%;border:0px;padding:5px;\"\u003e\n\u003ctr\u003e\u003ctd\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"padding:5px\"\u003e\n\u003cdiv style=\"text-align:center\"\u003e\n\u003cspan style=\"font-family:Arial Black;font-size:1.5em;color:#000000;font-weight:normal;font-style:normal;text-decoration: underline;\"\u003eRailroadTreasures\u003c\/span\u003e\u003cspan style=\"font-family:Arial Black;font-size:1.5em;color:#000000;font-weight:normal;font-style:normal;text-decoration: underline;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-family:Arial Black;font-size:1.5em;color:#000000;font-weight:normal;font-style:normal;text-decoration: underline;\"\u003eoffers the following item:\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Times New Roman;font-size:1.0em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003e  \u003c\/span\u003e\u003c\/div\u003e\n\n\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\";padding:5px\"\u003e\n\u003cdiv style=\"text-align:center\"\u003e\u003cspan style=\"font-family:Arial;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eGeology and Engineering by Robert F Legget\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:center\"\u003e\u003cspan style=\"font-family:Arial;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003e  \u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eGeology and Engineering by Robert F Legget\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\n\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eHard Cover   \u003c\/span\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:bold;font-style:italic;text-decoration: underline;\"\u003eINSIDE FRONT COVER STAMPS AND SOMETHING WAS REMOVED, \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003e650 pages\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCopyright 1939\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCONTENTS\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eEXPLANATORY NOTE  ix\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eFOREWORD BY P. G. H. BOSWELL    xi\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eACKNOWLEDGMENTS xiii\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003ePART I AN INTRODUCTION TO GEOLOGY\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER I  GEOLOGY: AN OUTLINE OF THE SCIENCE 3\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-Early History-Some Pioneers-William Smith-The Science Today-Methods of `Investigation-Past Achievements and the Future-Applied Geology-Conclusion.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER II   THE COMPOSITION OF TILE EARTH'S CRUST 11\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-Rocks-Minerals-Main Rock Groups-Igneous Rocks- Sedimentary Rocks-Metamorphic Rocks-Distinguishing Rock Types\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER III   THE STRUCTURE OF THE EARTH'S CRUST 25\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-The Geological Cycle-Special Structural Features-Sedimentary Rock Bedding-Igneous Rock Features-Jointing-Folding -Faulting-Denudation-Unconformity-The Geological Succession-Palaeontology-Recent Changes.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER IV   GEOLOGICAL FIELDWORK AND MAPPING 41\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-Geological Maps-Published Geological Maps-Topographic Maps-Field Equipment-Field Observations-Drift and Solid Geological Maps-Special Aids to Fieldwork-Method of Recording-Geological Sections-Interpretation of Geological Maps-Fossils- Photography.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003ePART II   GEOLOGY AS APPLIED IN CIVIL ENGINEERING\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER V   THE CIVIL ENGINEER AND GEOLOGY  61\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-The Science and the Art-Training in Geology-Practical Experience-Employment of Specialists-Geologists and Civil Engineering Work-Cooperation of Geologists and Civil Engineers-Geology and Topography-Planning and Design-Contract Plans and Specifications- Earth and Rock Excavation-Construction Operations-Inspection and Maintenance-Conclusion.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER VI   PRELIMINARY AND EXPLORATORY WORK 85\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-Economics of Preliminary Work-Geological Surveys-Underground Exploratory Work-Exploratory Test Borings-Test Pits -Test Drilling-Special Exploratory Methods-Conducting Exploratory Work-Recording Exploratory Work-Interpretation of Exploratory Results-Utilization of Exploratory Results-Conclusion.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER VII   APPLIED GEOPHYSICS AND CIVIL ENGINEERING 115\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-Magnetic Methods-Seismic Methods-Gravitational Methods-Electrical Methods-Applications in Civil Engineering-Geophysical Methods and Groundwater-Conclusion.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER VIII   TUNNELS  139\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-Historical Notes-A General Note-Preliminary Work-Tunnels for New York-Tunnel Shapes and Linings-Pressure Tunnels-Construction Methods -Overbreak- Groundwater - Grouting -Construction Records-Conclusion.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER IX   OPEN EXCAVATION, EMBANKMENT FILLS AND RETAINING WALLS 182\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-Open Excavation-Economics of Open Excavation-Open Excavation of Rock-Open Excavation of Unconsolidated Material-Open Excavation in Water-bearing Strata-Embankment Fill- and Dredging-Quarrying in Civil Engineering Practice-Earth Pressure and Retaining Walls.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER X   EARTH MOVEMENT AND LANDSLIDES  211\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-Stability of the Earth's Crust-Earthquakes--Ground Subsidence-Landslides-Preventive and Remedial Work-The Stability of Earth Slopes-Rockfalls.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER XI   TRANSPORTATION ROUTES 247\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-Route Location-Road-building Materials-Road Construction-Railways-Rivers-Canals-Docks and Harbors-Airports.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER XII   THE FOUNDATION OF BRIDGES AND COFFERDAM PROBLEMS 270\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroductory Historical Note-The Importance of Bridge Foundations-Special Preliminary Work-The Design of-Bridge Piers-The Design of Bridge Abutments-Some Special Features in Design-Some Construction Requirements-Cofferdam Construction-Inspection and Maintenance.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER XIII    THE FOUNDATION OF DAMS  304\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-Historical Notes-Dam Failures-Review of Dam Construction-General Preliminary Work-Exploratory Work during Construction-Soundness of Bedrock-Possibility of Earth Movement-Permeability of Bedrock-Grouting of Foundation Beds-Dams on Permeable Foundation Beds-Materials of Construction-Construction Problems-Scouring below Spillways-Inspection and Maintenance.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER XIV     RESERVOIRS AND CATCHMENT AREAS  353\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-Leakage from Reservoirs-Detection of Leakage-Prevention and Elimination of Leakage-Secondary Effects of Reservoir Flooding-Catchment Areas-Relation of Geology to Run-off.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER XV    EROSION AND SILTING 369\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-Coastal Erosion-Littoral Drift-Erosion by Stream Flow-Transportation of Solid Material by Stream Flow-Silting up of Reservoirs-Erosion below Dams-River-training Problems-Silting of Deltas and Maintenance of Estuaries-Soil Erosion and Wind Action.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER XVI    WATER SUPPLY 414\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-Historical Note-Sources of Water Supply-Water Supply from River Flow-Water Supply from Impounding Reservoirs-Unusual Sources of Supply-Quality of Surface Waters.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER XVII    GROUNDWATER    428\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-Historical Note-Groundwater Characteristics-Influence of the Nature of Rocks-Quality of Groundwater-Influence of Geological Structure-Springs-Groundwater Surveys-Underground Dams-Wells and Boreholes-Salt Water. in Wells-Artesian Wells-Some Outstanding Groundwater Supply Systems-Underground and Surface Drainage-Replenishment of Groundwater-Conservation of Groundwater.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER XVIII    BUILDING FOUNDATIONS 474\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-The Influence of Geological Conditions on Foundation Design-Subsidence of Buildings-The Influence of Groundwater on Foundation Design-Preliminary and Exploratory Work-Cooperative Subsurface Investigations-Building Regulations-Some Unusual Foundation Bed Conditions.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER XIX    MATERIALS OF CONSTRUCTION  505\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-Earth Dams-Puddle Clay-Bricks-Tile and Other Structural Clay Products-Building Stone-Limes and Plasters-Cements-Sands-Crushed Rock-Concrete.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eCHAPTER XX   SOILS AND SOIL MECHANICS  538\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIntroduction-Historical Note-Soil Mechanics-The Origin of Soils: Rock Weathering-Residual Soils-Transported Soils-Glacial Action and Glacial Deposits-Soil Characteristics-The Future of Soil Studies \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003ePART III    REFERENCE SECTION\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eAPPENDIX A GLOSSARY OF GEOLOGICAL TERMS COMMONLY ENCOUNTERED 587\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eAPPENDIX B GEOLOGICAL SURVEYS OF THE ENGLISH-SPEAKING WORLD  596\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eAPPENDIX C GEOLOGICAL SOCIETIES AND PERIODICALS  614\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eAPPENDIX D REFERENCES CITED IN THE T 616\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eINDEX 633\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eFOREWORD By Professor P. G. H. BOSWELL, D.Sc., F.R.S. (Imperial College of Science and Technology, London)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eIn the realm of science, as in other spheres, background is an important factor. Its influence is especially apparent in borderline subjects, among which engineering geology may be properly placed. There are already several textbooks on this branch of geology-works which present conscientious expositions of geological principles, with appropriate expansions in particular directions; but they have been written by geologists and their background is obvious. Where engineering applications are discussed, in particular, they indicate what the geologist, from his rather different viewpoint, imagines that the engineer should know.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eMy own approach to the wide domain of engineering geology has been along geological paths, but such prospects of that interesting territory as my experience has afforded me have made me wish that it could be viewed through the eyes of an engineer.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eWhen, therefore, I had the pleasure of reading the manuscript of Professor Legget's book, I recognized at once that this was the picture that I had long envisaged. This book is the work of an engineer with the additional training of a geologist, and I am convinced that it is planned on the right lines because it has the proper background. The necessary viewpoint can be attained only with great difficulty by a geologist, even when experienced as a consultant on engineering problems. The present volume will therefore fill a long-felt want, and may well serve as a foundation for other works on similar lines.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eAt present it is not unusual for a geologist to be asked to give advice after the engineer has begun his work. He has then to assist, or even to defend, a course of procedure that is already in progress-a task that is unnecessarily difficult because it involves the solution of problems that need not have arisen if he had been consulted in the first instance. Geological problems arise in most of the large-scale engineering undertakings, but their full significance is not always apparent in the early- stages. In such stages, careful records of natural conditions, such as overground and underground water, made during the progress of the work, would prove of inestimable value. Once man's handiwork has begun, the natural balance is disturbed, and it is then by no means easy to gain an accurate knowledge of original conditions. In many instances within my own experience I would have given much to know them, for only a knowledge of such conditions can enable a geologist to apprehend the problems that are likely to arise and to gauge the ultimate effects of the completed works.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Calibri;font-size:1.13em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eAn engineer trained in geology should be able to meet most of the difficulties that spring from earth structure, rock constitution, and water supply, and should also (which is really important) be able to decide when it is necessary to consult an expert. It is well known that adequate geological investigation of natural conditions in engineering undertakings in the past would have resulted in the saving of human life by the prevention of disasters; it has frequently been the means of effecting a considerable reduction in the cost of engineering works and of avoiding the trouble and expense of litigation.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align:left\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"text-align:left\"\u003e\u003cspan style=\"font-family:Arial;font-size:1.0em;color:#000000;font-weight:normal;font-style:normal;text-decoration:none;\"\u003eAll pictures are of the actual item.  There may be reflection from the lights in some photos.   We try to take photos of any damage.    If this is a railroad item, this material is obsolete and no longer in use by the railroad.  Please email with questions. Publishers of Train Shed Cyclopedias and Stephans Railroad Directories. Large inventory of railroad books and magazines. 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