File-A0797-A0802--Unknown location--Rock Dump -1910.06.15- (f14accd3-86b4-4c46-b66c-8decd28ee5f7)
Summary
A0798
Keywords: rock dump; conveyor; Anthracite industry; (NPS Focus Subject Thesaurus)
Tags
Date
1900 - 1910
Source
National Park Sevice
Copyright info
public domain