S.P.A. (Southwestern Power Administration) Service Area Map1945-01-01unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_053_4_0000_1_93Create a concise and logical summary using the title from the TITLE column and the text in the summary. This coverage map, titled Coverage map by the U.S. Department of the Interior, is part of a 20-year development plan and illustrates existing and proposed power lines. Dimensions: Not specified.