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1950
Maintenance costs

Highway Research Board Bulletin, Issue 29, 20p

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1950
Soil exploration and mapping

Highway Research Board Bulletin, Issue 28, 121p

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1950
Road surface properties

Highway Research Board Bulletin, Issue 27, 24p

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1950
Controlled access expressways in urban areas

Highway Research Board Bulletin, Issue 25, 41p

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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
FIELD EXPERIMENTS WITH POWDERED RUBBER IN BITUMINOUS ROAD CONSTRUCTION

Highway Research Board Bulletin, Issue 27

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1950
COUNTY ROAD MAINTENANCE AND OPERATION COSTS

Highway Research Board Bulletin, Issue 29, pp 15-20

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1950
HIGHWAY AND THOROFARE PLANNING AND PROGRAMMING IN RELATION TO URBAN PLANNING AND DEVELOPMENT

Highway Research Board Bulletin, Issue 31, 21p

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1950
PROGRESS REPORT OF THE PROJECT COMMITTEE ON MAINTENANCE COSTS, HIGHWAY RESEARCH BOARD

Highway Research Board Bulletin, Issue 29, PP 25-33

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1950
REPORT OF COMMITTEE ON ANTISKID PROPERTIES OF ROAD SURFACES

Highway Research Board Bulletin, Issue 27

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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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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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1949-10
REVIEW OF THE PROBLEM AND A SELECTED BIBLIOGRAPHY

Highway Research Board Bulletin, Issue 22, pp 1-3

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1949-10
STATUS OF COUNTY AGRICULTURAL SOIL MAPPING IN THE UNITED STATES

Highway Research Board Bulletin, Issue 22, pp 3-107

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1949-09
Maintenance Costs

Highway Research Board Bulletin, Issue 21, 14p

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1949-09
Pavement Performance

Highway Research Board Bulletin, Issue 20, 70

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1949-09
COST OF MECHANICAL LOADERS IN DITCH CLEANING AS COMPARED WITH COSTS OF HAND OPERATIONS IN VIRGINIA

Highway Research Board Bulletin, Issue 21, pp 7-9

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of 76 pages    

Showing 1776 - 1800 of 1887 records