Norris, R. V.Horswill, F. J.Lawson, Andrew C.Avery, C. DwightThompson, W. P.Hills, R. C.2017-12-112022-02-032017-12-112022-02-03https://hdl.handle.net/11124/171944Mine report no. 679.Typescript (carbon copy).A compilation of multiple mine reports.reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Coal mines and mining -- California -- Monterey CountyCoal mines and mining -- Utah -- Carbon CountyCoal mines and mining -- WyomingText