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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
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
PAVEMENT PERFORMANCE CORRELATED WITH SOIL AREAS

Highway Research Board Proceedings, Volume 29

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1950
SECONDARY ROAD SURFACING PROBLEMS IN IOWA

Highway Research Board Proceedings, Volume 29

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1950
PRINCIPLES AND TECHNIQUES OF SOIL IDENTIFICATION

Highway Research Board Proceedings, Volume 29

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1950
SOIL TEMPERATURE STUDIES - A PROGRESS REPORT

Highway Research Board Proceedings, Volume 29

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1950
SOIL SHEAR TESTS BY MEANS OF ROTATING VANES

Highway Research Board Proceedings, Volume 29

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1950
SOME CHEMICAL, PHYSICAL, AND MINERALOGICAL FEATURES OF SOIL COLLOIDS

Highway Research Board Proceedings, Volume 29

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1950
A STUDY OF BITUMINOUS-SOIL STABILIZATION BY METHODS OF PHYSICAL CHEMISTRY

Highway Research Board Proceedings, Volume 29

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1950
EXPLORATORY EVALUATION OF SOME ORGANIC CATIONS AS SOIL STABILIZING AGENTS

Highway Research Board Proceedings, Volume 29

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1950
IMPORTANCE OF VOLUME RELATIONSHIPS IN SOIL STABILIZATION

Highway Research Board Proceedings, Volume 29

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1950
THE MECHANICS OF SOIL CONSOLIDATION BY ELECTRO-OSMOSIS

Highway Research Board Proceedings, Volume 29

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1950
HOW DRY IS A DRY SOIL?

Highway Research Board Proceedings, Volume 29

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1950
SOME LABORATORY STUDIES OF FACTORS PERTAINING TO THE BEARING CAPACITY OF SOILS

Highway Research Board Proceedings, Volume 29

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1950
EFFECT OF RE-USING SOIL ON MOISTURE-DENSITY CURVES

Highway Research Board Proceedings, Volume 29

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1950
CALCULATION OF STANDARD PROCTOR DENSITY AND OPTIMUM MOISTURE CONTENT FROM MECHANICAL ANALYSIS, SHRINKAGE FACTORS, AND PLASTICITY INDEX

Highway Research Board Proceedings, Volume 29

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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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1950
MODIFICATION OF A GUMBOTIL SOIL BY LIME AND PORTLAND CEMENT ADMIXTURES

Highway Research Board Proceedings, Volume 29

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1949-11
Compaction of Soil

Highway Research Board Bulletin, Issue 23

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1949-11
COMPACTION OF SOIL AND BASE MATERIAL ON THE BALTIMORE FRIENDSHIP INTERNATIONAL AIRPORT

Highway Research Board Bulletin, Issue 23, pp 12-17

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1949-11
FACTORS INFLUENCING COMPACTION OF SOILS

Highway Research Board Bulletin, Issue 23, pp 1-11

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1949-10
The use of agricultural soil maps and the status of agricultural soil mapping in the United States

Highway Research Board Bulletin, Issue 22, 127p

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1949-10
SIGNIFICANCE OF THE SOIL SURVEY REPORT IN THE SELECTION AND PRELIMINARY ASSESSMENT OF SITES FOR AIRPLANE LANDING STRIPS

Highway Research Board Bulletin, Issue 22

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1949-10
USE OF AGRICULTURAL SOIL MAPS IN MAKING SOIL SURVEYS

Highway Research Board Bulletin, Issue 22, pp 108-116

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Showing 2076 - 2100 of 2302 records