Inventory of published and unpublished chemical analyses of surface waters in western United States, 1947-55 :
Supplement to ... Bulletin no. 2.

APA Citation

Geological Survey (U.S.). (1956). Inventory of published and unpublished chemical analyses of surface waters in western United States, 1947-55: Supplement to ... Bulletin no. 2. Washington: U.S. Govt. Print. Off..

MLA Citation

Geological Survey (U.S.). Inventory of Published And Unpublished Chemical Analyses of Surface Waters In Western United States, 1947-55: Supplement to ... Bulletin No. 2. Washington: U.S. Govt. Print. Off., 1956.