Public Roads: A Journal of Highway Research, Vol. 21, No. 1

Details

• Creators:
  Lewis, R. H. ; Welborn, J. Y.
• Corporate Creators:
  United States. Federal Works Agency. Public Roads Administration
• Subject/TRT Terms:
  Asphalt Materials Research
• Publication/ Report Number:
  Volume 21, Issue(s) 1
• Series:
  Public Roads
• DOI:
  https://doi.org/10.21949/1523715
• Resource Type:
  Journal
• Right Statement:
  These documents are disseminated under the sponsorship of the U.S. Department of Transportation, Federal Highway Administration, in the interest of information exchange. The U.S. Department of Transportation does not endorse any manufacturers, products, or services cited herein and any business or trade names that may appear in these documents have been included only as necessary to further the purpose of the documents. These documents are works of the United States Government and are in the public domain (see 17 U.S.C. §105). Subject to the stipulations below, the documents may be distributed and copied with acknowledgment to the U.S. Department of Transportation, Federal Highway Administration. Copyrights to graphics or text excerpts included in these documents are reserved by the original copyright holders or their assignees and are used herein under the Government’s licenses or by permissions. Requests to use any images must be made to the provider or providers identified in the image credits or to the U.S. Department of Transportation, Federal Highway Administration, if no providers are identified. Published in the United States of America, from 1918 to 1994.
• Geographical Coverage:
  United States
• Edition:
  March 1940
• Corporate Publisher:
  United States. Government Printing Office
• Abstract:
  The Physical and Chemical Properties of Petroleum Asphalts of the 50-60 and 85-100 Penetration Grades
• Format:
  PDF
• Collection(s):
  Federal Highway Administration Public Roads Magazine
• Main Document Checksum:
  urn:sha-512:221bffa800ab08685be3ca841b62d8fe5166e8ab42432d4e8f6a5529ec311f84f849121ee86abb50a2edba141bb267c492535ce2772273a184f3be724de9a2c5
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/59475/dot_59475_DS1.pdf
• File Type:
  [PDF - 9.16 MB ]