Detail on mine no. 18 Boulder County, Colorado, showing property rights: platted from coordinate system extended from Beddig mine (see records of survey); for boundary determination see detail above

Sanderson, H. S.2017-07-182022-02-032017-07-182022-02-031900-1999https://hdl.handle.net/11124/171082Scale approximately 1:240 or 1" = 20'.Blueprint; on sheet: 83 x 91 cm; photocopy.Inset: detail for determination of property boundary through workings of mines numbers 18 & 19, scale 1" = 100'.Covers parts of Boulder County, Colorado.83 x 91 cmmine mapsengMining claims -- Colorado -- Boulder County -- MapsMines and mineral resources -- Colorado -- Boulder County -- MapsDetail on mine no. 18 Boulder County, Colorado, showing property rights: platted from coordinate system extended from Beddig mine (see records of survey); for boundary determination see detail aboveStillImage