Barrett, Larry F.2019-03-122022-02-032019-03-122022-02-031990https://hdl.handle.net/11124/172907Mine workings map.Shows the Cross mine in relation to other mines in the Boulder County area.mine mapsengIn Copyright (http://rightsstatements.org/vocab/InC/1.0/).Colorado -- MapsCaribou Mining District (Colo.)Cross Mine (Colo.)StillImage