Edward R. Bowen letter to J. B. Lippincott 1942 February 3
Edward R. Bowen letter to G. L. Ohrstrom & Co. 1935 January 5
Memorandum concerning value of the water rights of the Beaumont Land and Water Company Beaumont, California 1920 January 7
Report upon proposed irrigation system for the Moorpark-Conejo Irrigation District, Ventura County, California 1926 April