Beaver folio, Pennsylvania

Name: Beaver folio, Pennsylvania
Author: Woolsey, Lester Hood, Geological Survey (U.S.)

CiNii 所蔵館 1館

書誌事項

責任表示: [by Lester H. Woolsey] ; Department of the Interior, United States Geological Survey

出版者

出版年月

MAP:Scale 1:62,50 (W 80[0]15'--W 80[0]30'/N 40[0]30'--N 40[0]45'

Title from cover

At head of title: Department of the Interiour, United States Geological Survey, Charles D. Walcott, director