https://dp.la/item/248817bc5d0a35c100b2eeaff692477b publisher: Digital Public Library of America retrieved: 27 January 2022 determination method: SHA-1
website author name string: Department of Commerce. Bureau of the Census. Office of the Assistant Director for Operations. Geography Division. (3/13/1947
website author name string: Department of Commerce. Bureau of the Census. Office of the Assistant Director for Operations. Geography Division. (3/13/1947