through the old holes
(facing?) unopened map (detail; levels 130 1.00 255)
Water wells and springs in Borrego, Carrizo, and San Felipe Valley areas, San Diego and Imperial Counties, California.
Federal-State Cooperative Groundwater Investigations. January 1968.
University of California (Davis) copy, scandate 20090202
New glimpses through the old holes.
deserts; glimpses; holes; water
G. C. Lichtenberg