Category:Books about the geology of Pennsylvania (historical)
Jump to navigation
Jump to search
Media in category "Books about the geology of Pennsylvania (historical)"
The following 9 files are in this category, out of 9 total.
-
Coal fields of southwestern Pennsylvania (IA coalfieldsofsout00boil).pdf 1,568 × 2,229, 112 pages; 8.3 MB
-
Contributions to the mineralogy of the Newark group in Pennsylvania (IA contributionstom00wherrich).pdf 922 × 1,506, 38 pages; 4.1 MB
-
The geology of Pennsylvania; a government survey (IA geologyofpennsyl02geolrich).pdf 1,333 × 1,754, 732 pages; 53.8 MB
-
The Geology Of Pike And Monroe Counties (IA geologyofpikeand028687mbp).pdf 750 × 1,202, 448 pages; 34.9 MB