1 map : ms., col. ; 31 x 49 cm.
Map of mining claims of the Chrysolite Silver Mining Co. : Fryer Hill, Leadville, Col. / survey and map of George H. Robinson, surveyor of company, under the direction of Winfeld Scott Keyes, general manager ; reduced from original map by James J. McGowan, civil engineer.; Fryer Hill, Leadville, Col[orado].
Shows claims and underground workings. | Pen-and-ink on tracing linen.