Description
Item Description:Envelope title: Rock types of Pennsylvania : 1:500,000.
On envelope: Commonwealth of Pennsylvania, Department of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey, Arthur A. Socolow, State Geologist, 1984.
Includes notes.
Cartographic material.
Physical Description:1 map : color ; 71 x 102 cm., folded in envelope 18 x 26 cm.
ISBN:0818200529