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- catalog abstract "This bulletin gives the results of tests of all samples of ledge rock made by the Bureau of Public Roads to January 1, 1928, classified alphabetically according to location. In this revision of the earlier bulletins, each entry has been checked back to the original records, and a number of tests on manufactured road-building materials have been omitted. The results of tests of approximately 6,000 samples are now available in this bulletin, and these tests represent road-building material from practically all parts of the United States.".
- catalog contributor b9635115.
- catalog created "1930.".
- catalog date "1930".
- catalog date "1930.".
- catalog dateCopyrighted "1930.".
- catalog description "Average test results. pp. 4.".
- catalog description "Interpreation of results of physical tests. pp. 5.".
- catalog description "Introduction. pp. 1.".
- catalog description "Physical properties of road-building rock. pp. 2.".
- catalog description "Tabulation of test results. pp. 7.".
- catalog description "This bulletin gives the results of tests of all samples of ledge rock made by the Bureau of Public Roads to January 1, 1928, classified alphabetically according to location. In this revision of the earlier bulletins, each entry has been checked back to the original records, and a number of tests on manufactured road-building materials have been omitted. The results of tests of approximately 6,000 samples are now available in this bulletin, and these tests represent road-building material from practically all parts of the United States.".
- catalog description "Types of rock. pp. 3.".
- catalog extent "148 p. ;".
- catalog hasFormat "Results of physical tests of road-building rock.".
- catalog isFormatOf "Results of physical tests of road-building rock.".
- catalog isPartOf "Miscellaneous publication (United States. Department of Agriculture) ; no. 76.".
- catalog isPartOf "Miscellaneous publication / United States Department of Agriculture ; no. 76".
- catalog issued "1930".
- catalog issued "1930.".
- catalog language "eng".
- catalog publisher "Washington, D.C. : U.S. Dept. of Agriculture,".
- catalog relation "Results of physical tests of road-building rock.".
- catalog subject "Road materials.".
- catalog subject "Rocks.".
- catalog subject "S21 .A46 no.76".
- catalog tableOfContents "Average test results. pp. 4.".
- catalog tableOfContents "Interpreation of results of physical tests. pp. 5.".
- catalog tableOfContents "Introduction. pp. 1.".
- catalog tableOfContents "Physical properties of road-building rock. pp. 2.".
- catalog tableOfContents "Tabulation of test results. pp. 7.".
- catalog tableOfContents "Types of rock. pp. 3.".
- catalog title "The results of physical tests of road-building rock / compiled by D.O. Woolf.".
- catalog type "text".