edited and published by the Bureau of Land Management National Applied Resource Sciences Center ... in cooperation with the ... California State Office
(W 117p0s00ʹ--W 116p0s00ʹ/N 33p0s00ʹ--N 32p0s30ʹ).
Relief shown by contours and spot heights.
Partially covers the area of former Desert access guide: #19 McCain Valley.
Base map edited 1979.
Map recto includes California Desert Conservation Area location map; and 1997 desert area access guide index to 1:100,000-scale maps, with index to El Cajon 1:24,000-scale maps. A red outline indicates previous [1988] desert access guides.