Guide to the geology from Dauphin to Sunbury,
Willard, Bradford, 1894-
Guide to the geology from Dauphin to Sunbury, by Bradford Willard. - Harrisburg, Pa., Department of internal affairs, Topographic and geologic survey, 1939. - 24 p. illus., tables, fold. map. 23 cm. - Bulletin G, 13 .
At head of title: Pennsylvania Geological survey, Fourth series. On cover: Commonwealth of Pennsylvania. Department of internal affairs.
"List of references": p. 18-19.
gs 39000357
Geology--Pennsylvania.
QE158.S8 / W5
Guide to the geology from Dauphin to Sunbury, by Bradford Willard. - Harrisburg, Pa., Department of internal affairs, Topographic and geologic survey, 1939. - 24 p. illus., tables, fold. map. 23 cm. - Bulletin G, 13 .
At head of title: Pennsylvania Geological survey, Fourth series. On cover: Commonwealth of Pennsylvania. Department of internal affairs.
"List of references": p. 18-19.
gs 39000357
Geology--Pennsylvania.
QE158.S8 / W5