Petroglyphs (rock carvings) in the Susquehanna River near Safe Harbor, Pennsylvania ...
[by] Donald A. Cadzow ...
APA Citation
Cadzow, D. A. (1934). Petroglyphs (rock carvings) in the Susquehanna River near Safe Harbor, Pennsylvania ... Harrisburg.
MLA Citation
Cadzow, Donald A. Petroglyphs (rock Carvings) In the Susquehanna River Near Safe Harbor, Pennsylvania ... Harrisburg, 1934.
Warning: These citations may not always be complete (especially for serials).