Guidebook to the geology about Pittsburgh
An edition of Guidebook to the geology about Pittsburgh (1939)
By Henry Leighton
Publish Date
1947
Publisher
Department of Internal Affairs, Topographic and Geologic Survey
Language
eng
Pages
35
1-2 of 2 Editions
Guidebook to the geology about Pittsburgh
Language: eng
Pages: 35
Published In: 1939
Publisher: Department of internal affairs, Topographic and geologic survey
Guidebook to the geology about Pittsburgh
Language: eng
Pages: 35
Published In: 1947
Publisher: Department of Internal Affairs, Topographic and Geologic Survey