Bitumens and their essential constituents for road construction and maintenance
By: by Prévost Hubbard.
Contributors: United States. Bureau of Public Roads.
Series: Circular / U.S. Department of Agriculture, Office of Public Roads -- no. 93; Circular (United States. Bureau of Public Roads) -- no. 93.
Publisher: G.P.O.
Published: 1911
Place of publication: Washington
Language: eng
Number of pages: 16
Subjects: Bitumen.; Pavements, Bituminous.; Roads -- Design and construction.