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Monazite in Delaware County, Pa
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1899, in volume 51, pages 377-378
Created: 2013-03-02, modified: 2013-03-02
Pa' Pandir
Published in Journal of The Straits Branch of The Royal Asiatic Society, in 1907, in volume 48, pages 73-83
Created: 2016-07-04, modified: 2016-07-04
Oriskany Sandstone in Lycoming Co., Pa
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1886, in volume 38, pages 296-297
Created: 2013-03-02, modified: 2013-03-02