Scale [ca. 1:7,200]. 1 in. equals 600 feet ; 1 map : linen ; 46 x 39 cm

Scale not given ; 1 map ; 61 x 42 cm ; Blueline print ; Shows mineral patents and water rights ;

Scale [ca.1:12,804. 1 in. to approx. 1,067 ft.] ; 1 map ; on sheet 92 x 106 cm ; Relief shown by hachures ; Title supplied by cataloger ; Probably a preliminary black and white edition of the colored map copyrighted by Bradford and Bradford in 1905

Scale [ca. 1:7,200]. 1 in. equals 600 feet ; 1 map ; 17 x 16 cm ; Relief shown by hachures ; Library's copy has some mines cross-hatched in pencil ;

From the Nan Doughty Photograph Collection (PH-00240)

From the Nan Doughty Photograph Collection (PH-00240)

Map of Bullfrog Mining District in Nye County, Nevada. The information was compiled from official surveys by Bradford, Strange, and Collier and drawn by May Bradford circa 1905.