Geological investigation of the coal fields of Skagit county, Washington
By: by Olaf P. Jenkins.
Series: Washington (State) Dept. of conservation and development. Division of geology. Bulletin no.29. (Geological ser.)
Publisher: F.M. Lamborn, public printer
Published: 1924
Place of publication: Olympia
Language: eng
Number of pages: 63
Subjects: Coal -- Washington (State) -- Skagit County; Geology -- Washington (State) -- Skagit County
Notes: Two folded maps in pocket.

Bibliography: p.59-60.