map from "The Coal Regions of Pennsylvania, being a general geological...
This image has been taken from scan 000080 from "The Coal Regions of Pennsylvania, being a general geological, historical & statistical review of the anthracit coal districts. Illustrated with colored maps and ... More
[Coal Regions, Pennsylvania] - Early photography, Public domain image
Picryl description: Public domain image of Eadweard Muybridge's photograph, free to use, no copyright restrictions. Eadweard Muybridge was an English photographer known for his pioneering work in photographic s... More
map from "The Coal-Regions of America; their topography, geology and d...
This image has been taken from scan 000044 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
map from "The Coal-Regions of America; their topography, geology and d...
This image has been taken from scan 000161 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
flora from "The Coal-Regions of America; their topography, geology and...
This image has been taken from scan 000171 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
map from "The Coal-Regions of America; their topography, geology and d...
This image has been taken from scan 000444 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
map from "The Coal-Regions of America; their topography, geology and d...
This image has been taken from scan 000413 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
map from "The Coal-Regions of America; their topography, geology and d...
This image has been taken from scan 000695 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
map from "The Coal-Regions of America; their topography, geology and d...
This image has been taken from scan 000034 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
map from "The Coal-Regions of America; their topography, geology and d...
This image has been taken from scan 000153 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
map from "The Coal-Regions of America; their topography, geology and d...
This image has been taken from scan 000484 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
map from "The Coal-Regions of America; their topography, geology and d...
This image has been taken from scan 000300 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
map from "The Coal-Regions of America; their topography, geology and d...
This image has been taken from scan 000622 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
map from "The Coal-Regions of America; their topography, geology and d...
This image has been taken from scan 000008 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
map from "The Coal-Regions of America; their topography, geology and d...
This image has been taken from scan 000078 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
map from "The Coal-Regions of America; their topography, geology and d...
This image has been taken from scan 000520 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
map from "The Coal-Regions of America; their topography, geology and d...
This image has been taken from scan 000274 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
map from "The Coal-Regions of America; their topography, geology and d...
This image has been taken from scan 000026 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
map from "The Coal-Regions of America; their topography, geology and d...
This image has been taken from scan 000079 from "The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustratio... More
map from "[The Coal-Regions of America; their topography, geology and ...
This image has been taken from scan 000159 from "[The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustrati... More
map from "[The Coal-Regions of America; their topography, geology and ...
This image has been taken from scan 000272 from "[The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustrati... More
map from "[The Coal-Regions of America; their topography, geology and ...
This image has been taken from scan 000026 from "[The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustrati... More
map from "[The Coal-Regions of America; their topography, geology and ...
This image has been taken from scan 000695 from "[The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustrati... More
map from "[The Coal-Regions of America; their topography, geology and ...
This image has been taken from scan 000426 from "[The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustrati... More
diagram from "[The Coal-Regions of America; their topography, geology ...
This image has been taken from scan 000650 from "[The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustrati... More
map from "[The Coal-Regions of America; their topography, geology and ...
This image has been taken from scan 000520 from "[The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustrati... More
map from "[The Coal-Regions of America; their topography, geology and ...
This image has been taken from scan 000150 from "[The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustrati... More
map from "[The Coal-Regions of America; their topography, geology and ...
This image has been taken from scan 000390 from "[The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustrati... More
map from "[The Coal-Regions of America; their topography, geology and ...
This image has been taken from scan 000078 from "[The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustrati... More
map from "[The Coal-Regions of America; their topography, geology and ...
This image has been taken from scan 000342 from "[The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustrati... More
map from "[The Coal-Regions of America; their topography, geology and ...
This image has been taken from scan 000298 from "[The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustrati... More
map from "[The Coal-Regions of America; their topography, geology and ...
This image has been taken from scan 000378 from "[The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustrati... More
map from "[The Coal-Regions of America; their topography, geology and ...
This image has been taken from scan 000484 from "[The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustrati... More
map from "[The Coal-Regions of America; their topography, geology and ...
This image has been taken from scan 000008 from "[The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustrati... More
map from "[The Coal-Regions of America; their topography, geology and ...
This image has been taken from scan 000444 from "[The Coal-Regions of America; their topography, geology and development. With a colored geological map of Pennsylvania ... and numerous other maps and illustrati... More