Category:Old geological maps of Pennsylvania
Jump to navigation
Jump to search
Media in category "Old geological maps of Pennsylvania"
The following 8 files are in this category, out of 8 total.
-
1884 Map - Second Geological Survey.jpg 9,597 × 7,816; 11.93 MB
-
1884 Mine Map Chauncey Colliery.jpg 2,981 × 2,642; 3.79 MB
-
Bulletin (1957) (19802394173).jpg 4,894 × 1,748; 1.63 MB
-
Bulletin of the Geological Society of America (1923) (14595339817).jpg 3,248 × 1,902; 1.16 MB
-
EB9 Pennsylvania - geological map.jpg 2,556 × 1,291; 403 KB
-
PittsburghCoalExtent.png 846 × 793; 79 KB