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1950
Development of Geophysical Methods of Subsurface Exploration in the Field of Highway Construction

Highway Research Board Bulletin, Issue 28, pp 73-99

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1950
Soil exploration and mapping

Highway Research Board Bulletin, Issue 28, 121p

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1950
INFLUENCE OF TOPOGRAPHIC POSITION IN AIRPHOTO IDENTIFICATION OF PERMAFROST

Highway Research Board Bulletin, Issue 28, pp 100-121

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1950
MAPS FOR CONSTRUCTION MATERIALS

Highway Research Board Bulletin, Issue 28, pp 63-72

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1950
DRAINAGE PATTERN SIGNIFICANCE IN AIRPHOTO IDENTIFICATION OF SOILS AND BEDROCKS

Highway Research Board Bulletin, Issue 28, pp 36-62

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1950
A SYSTEM FOR DESIGNATING MAP-UNITS ON ENGINEERING SOIL-MAPS

Highway Research Board Bulletin, Issue 28, pp 17-35

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1950
THE STATUS OF GEOLOGIC MAPPING IN THE UNITED STATES DIVISION OF SOIL SURVEY - BUREAU OF PLANT INDUSTRY USDA SOIL CONSERVATION SERVICE - USDA

Highway Research Board Bulletin, Issue 28, pp 2-16

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Showing 1 - 7 of 7 records