Highway geology, Philadelphia to Pittsburgh, by Bradford Willard.
Material type:
TextSeries: Bulletin G ; 12Publication details: Harrisburg, Pa., Department of internal affairs, Topographic and geologic survey, 1939.Description: 2 p.l., 42 p. illus., 2 maps (1 fold.) fold. tab. 23 cmSubject(s): LOC classification: - QE157 .W53
At head of title: Pennsylvania Geological survey, Fourth series.
On cover: Commonwealth of Pennsylvania. Department of internal affairs.
"References": p. 27-28.
There are no comments on this title.