Subject
Legends
5
Treasure troves
4
Gold mines and mining History
2
Mines and mineral resources
2
Silver mines and mining History
2
West (U.S.) Antiquities
2
West (U.S.) History, Local
2
Cowboys
1
Cowboys History
1
Folklore
1
Legends History and criticism
1
West (U.S.) Civilization
1
West (U.S.) Folklore
1
West (U.S.) History
1
West (U.S.) Social life and customs
1