Description
Item Description:"Surveyed in 1930-1932."
"Base from topographic maps of the U.S. Geological Survey topographic sheets."
Includes "generalized startigraphic sections of exposed formations."
Relief shown by contours and spot heights.
"Contour intervals 5 and 25 feet."
Physical Description:1 map : color ; 132 x 98 cm, folded to 24 x 17 cm