Matches in Library of Congress for { <http://lccn.loc.gov/23027172> ?p ?o. }
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- 23027172 contributor B643107.
- 23027172 created "[1921]".
- 23027172 date "1921".
- 23027172 date "[1921]".
- 23027172 dateCopyrighted "[1921]".
- 23027172 extent "56 p.".
- 23027172 hasFormat "Also available in digital form on the Internet Archive Web site.".
- 23027172 identifier scd0001.00194543384.
- 23027172 isFormatOf "Also available in digital form on the Internet Archive Web site.".
- 23027172 isPartOf "Bulletin 60, Engineering Experiment Station".
- 23027172 issued "1921".
- 23027172 issued "[1921]".
- 23027172 language "eng".
- 23027172 publisher "Ames, Ia., Iowa State College of Agriculture and Mechanic Arts".
- 23027172 relation "Also available in digital form on the Internet Archive Web site.".
- 23027172 subject "Concrete.".
- 23027172 subject "Gravel.".
- 23027172 subject "TA439 .C7".
- 23027172 title "Method of proportioning concrete materials--screened and unscreened gravel, by R.W. Crum ...".
- 23027172 type "text".