Mining discoveries and progress, retrogression and decay, seem to have been crowded more closely against each other here than on any other portion of the globe.


Steep Trails, Chapter XVI (p. 198), Norman S. Berg, Publisher. 1970


Mining discoveries and progress, retrogression and decay, seem to have been crowded more closely against each other here than on any other portion of ...

Mining discoveries and progress, retrogression and decay, seem to have been crowded more closely against each other here than on any other portion of ...

Mining discoveries and progress, retrogression and decay, seem to have been crowded more closely against each other here than on any other portion of ...

Mining discoveries and progress, retrogression and decay, seem to have been crowded more closely against each other here than on any other portion of ...