Potash from kelp
By: by Frank K. Cameron.
Contributors: United States. Bureau of Soils.
Series: United States. Dept. of Agriculture. Report -- no.100.
Publisher: U.S. Govt. Print. Off.
Published: 1915
Place of publication: Washington, D.C
Language: eng
Number of pages: 122
Subjects: Kelps -- Pacific Coast.; Potash.
Notes: Contribution from the Bureau of Soils.

Atlas from the Bureau of Soils, dated 1914.  Maps 3, 9-10, 12-13, 15-19, 22, 28, 33, 48, and 59 never published.