REFINE     Who What Where When     REMOVE Coal-mining machinery WHAT Still image (5) image/tiff (5) Coal mines and mining (3) Coal miners (2) More  WHERE Colorado (United States, … (2) Southern Wyoming (Wyoming … (2) WHO Matthias, Welchie Henry, … (2) WHEN 1900s (2) 1901 (2) 1970s (2) [1970s] (2) Undated (1)

REFINE  Browse All : Coal-mining machinery 1-5 of 5 Welchie Matthias pointi... Colorado (United States... [1970s] Matthias, Welchie Henry...   Title Welchie Matthias pointing at a mine structure Coverage (Spatial) Colorado (United States, North America) (first order administrative divisions) Date [1970s] Contributor Matthias, Welchie Henry, 1894-1978 Retired coal miner, Wel... Colorado (United States... [1970s] Matthias, Welchie Henry...   Title Retired coal miner, Welchie Matthias wiping his face Coverage (Spatial) Colorado (United States, North America) (first order administrative divisions) Date [1970s] Contributor Matthias, Welchie Henry, 1894-1978 Coal mining operation Undated   Title Coal mining operation Date Undated Strip mining in Wyoming Southern Wyoming (Wyomi... 1901   Title Strip mining in Wyoming Coverage (Spatial) Southern Wyoming (Wyoming, United States, North America) (area) Date 1901 Strip mining in Wyoming Southern Wyoming (Wyomi... 1901   Title Strip mining in Wyoming Coverage (Spatial) Southern Wyoming (Wyoming, United States, North America) (area) Date 1901 1-5 of 5

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