
$65.00 .
Photograph of monitors washing gravel face with bedrock drain in foreground on American Hill No.18 Below Discovery Bonanza Creek
Inscription recto: Hydraulic Method of Washing Gravel on American Hill, Photo by J. Doody, Dawson
$65.00 .
Photograph of monitors washing gravel face with bedrock drain in foreground on American Hill No.18 Below Discovery Bonanza Creek
Inscription recto: Hydraulic Method of Washing Gravel on American Hill, Photo by J. Doody, Dawson