Petroglyphs <rock carvings> in the Susquehanna River near Safe Harbor, Pennsylvania ...
By: [by] Donald A. Cadzow ...
Series: Publications of Pennsylvania Historical Commission -- vol. III; Safe Harbor report -- no. 1; Publications of the Pennsylvania Historical Commission -- v. 3.; Safe Harbor report -- no. 1.
Published: 1934
Place of publication: Harrisburg
Language: eng
Number of pages: 59
Subjects: Petroglyphs; Antiquities; Picture-writing
Notes: Notes and bibliography: p. 52-59.