topic

• Hydraulic mining1
• Pipes (Conduits)1
• mining1

name

collection

• Robert N. Dennis collection of stereoscopic views74

place

• California74
• Yosemite National Park (Calif.)73
• Yosemite Valley (Calif.)73

genre

• Photographs74
• Stereographs74

publisher

• Photographed and published by Lawrence & Houseworth1

division

• Wallach Division: Photography Collection74

type

• still image74