guide for the preliminary evaluation of rock for road surfacing
By: by Vaughn E. Livingston, Jr.
Series: Information circular -- 78; Information circular (Washington (State). Division of Geology and Earth Resources) -- 78.
Publisher: State of Washington, Dept. of Natural Resources, Division of Geology and Earth Resources
Published: 1984
Place of publication: [Olympia?]
Language: eng
Subjects: Road materials -- Washington (State); Forest roads -- Washington (State); Logging -- Economic aspects -- Washington (State)