York Bridge, Federal Aid Secondary Route 280, Helena, Lewis and Clark ...
Significance: As a pin-connected Pennsylvania through truss structure, the bridge is not particularly significant for structural or engineering reasons. It is however, historically associated with the Helena Po... More
York Bridge, Federal Aid Secondary Route 280, Helena, Lewis and Clark ...
Significance: As a pin-connected Pennsylvania through truss structure, the bridge is not particularly significant for structural or engineering reasons. It is however, historically associated with the Helena Po... More
Bonanza Hydraulic Mining Site, Main Storage Reservoir, Swamp Gulch, Sa...
For historical and descriptive information, see HAER No. ID-23. Significance: The Bonanza Hydraulic Mining Site is significant as an exceptionally well-preserved, early twentieth century, placer mining site. S... More
Gold Placers Incorporated, Warehouse, Near Coal Creek & Yukon River, E...
Significance: Gold mining is an important theme in the history of the upper Yukon River region in Alaska and Canada. One of several mining camps in the area, the Coal Creek Mining Camp contains many important c... More
!["A Golden work." Hydroulic [sic] mining at Rockdrville [i.e. Rockerville], Dak.](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMTAvMDIvYS1nb2xkZW4td29yay1oeWRyb3VsaWMtc2ljLW1pbmluZy1hdC1yb2NrZHJ2aWxsZS1pZS1yb2NrZXJ2aWxsZS1kYWstMDZlMGFlLTEwMjQuanBn/40/33/webp "\"A Golden work.\" Hydroulic [sic] mining at Rockdrville [i.e. Rockerville], Dak.")
"A Golden work." Hydroulic [sic] mining at Rockdrville [i.e. Rockervil...
Three men overseeing hydraulic equipment. Copyright deposit. Title transcribed from item. Forms part of the John C. H. Grabill Collection.
Pineau Placer Mining Camp, Goldcreek, Powell County, MT
Significance: The camp was constructed at an early date (1890s or shortly thereafter), and for three decades was associated with Gus Pineau, a well-known miner in the area. Up until the 1940s, the Pineau operat... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Gold Placers Incorporated, Warehouse, Near Coal Creek & Yukon River, E...
Significance: Gold mining is an important theme in the history of the upper Yukon River region in Alaska and Canada. One of several mining camps in the area, the Coal Creek Mining Camp contains many important c... More
Bonanza Hydraulic Mining Site, Gate, Swamp Gulch, Salmon, Lemhi County...
Significance: The Bonanza Hydraulic Mining Site is significant as an exceptionally well-preserved, early twentieth century, placer mining site. Survey number: HAER ID-23-D
York Bridge, Federal Aid Secondary Route 280, Helena, Lewis and Clark ...
Significance: As a pin-connected Pennsylvania through truss structure, the bridge is not particularly significant for structural or engineering reasons. It is however, historically associated with the Helena Po... More
!["A Golden work." Hydroulic [sic] mining at Rockdrville [i.e. Rockerville], Dak.](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMTAvMDIvYS1nb2xkZW4td29yay1oeWRyb3VsaWMtc2ljLW1pbmluZy1hdC1yb2NrZHJ2aWxsZS1pZS1yb2NrZXJ2aWxsZS1kYWstZTk1ZTMzLTY0MC5qcGc%3D/40/30/webp "\"A Golden work.\" Hydroulic [sic] mining at Rockdrville [i.e. Rockerville], Dak.")
"A Golden work." Hydroulic [sic] mining at Rockdrville [i.e. Rockervil...
Three men overseeing hydraulic equipment. Copyright deposit. Title transcribed from item. Forms part of the John C. H. Grabill Collection.
The Monitor / H. Sandham.. 19th century, Library of Congress collectio...
Hydraulic mining for gold in California. Illustration by Henry Sandham. Illus. in: The Century illustrated monthly magazine; 1883 Jan., p. 325. Reference copy also available in LOT 4397-H.
Pioneer Mine, Alaska - Frank G. Carpenter collection
Title transcribed from caption accompanying item. Forms part of: Frank and Frances Carpenter collection (Library of Congress). Gift; Mrs. W. Chapin Huntington; 1951.
Bonanza Hydraulic Mining Site, Placer Pit, Swamp Gulch, Salmon, Lemhi ...
Significance: The Bonanza Hydraulic Mining Site is significant as an exceptionally well-preserved, early twentieth century, placer mining site. Survey number: HAER ID-23-E
Bonanza Hydraulic Mining Site, Placer Pit, Swamp Gulch, Salmon, Lemhi ...
Significance: The Bonanza Hydraulic Mining Site is significant as an exceptionally well-preserved, early twentieth century, placer mining site. Survey number: HAER ID-23-E
The Sluice / H. Sandham.. 19th century, Library of Congress collection
Hydraulic mining for gold in California. Illustration by Henry Sandham. Illus. in: The Century illustrated monthly magazine, Jan., 1883, p. 324. Reference copy also available in LOT 4397-H.
Master Placer Mining Camp, Goldcreek, Powell County, MT
Significance: Since its establishment in 1939-1940, the mine has been one of the few large-scale gold placer mining outfits to have operated successfully, not only in the Pioneer/Goldcreek district, but in Mont... More
Gold Placers Incorporated, Mess Hall, Near Coal Creek & Yukon River, E...
Significance: Gold mining is an important theme in the history of the upper Yukon River region in Alaska and Canada. One of several mining camps in the area, the Coal Creek Mining Camp contains many important c... More
York Bridge, Federal Aid Secondary Route 280, Helena, Lewis and Clark ...
Significance: As a pin-connected Pennsylvania through truss structure, the bridge is not particularly significant for structural or engineering reasons. It is however, historically associated with the Helena Po... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Bonanza Hydraulic Mining Site, Sluice Box, Swamp Gulch, Salmon, Lemhi ...
Significance: The Bonanza Hydraulic Mining Site is significant as an exceptionally well-preserved, early twentieth century, placer mining site. Survey number: HAER ID-23-F
Bonanza Hydraulic Mining Site, Sluice Box, Swamp Gulch, Salmon, Lemhi ...
Significance: The Bonanza Hydraulic Mining Site is significant as an exceptionally well-preserved, early twentieth century, placer mining site. Survey number: HAER ID-23-F
Hydraulic gold mining, Alaska - Frank G. Carpenter collection
Title transcribed from caption accompanying item. Forms part of: Frank and Frances Carpenter collection (Library of Congress). Gift; Mrs. W. Chapin Huntington; 1951.
Gold Placers Incorporated, Worker Quarters, Near Coal Creek & Yukon Ri...
Significance: Gold mining is an important theme in the history of the upper Yukon River region in Alaska and Canada. One of several mining camps in the area, the Coal Creek Mining Camp contains many important c... More
Bonanza Hydraulic Mining Site, Ditch, Swamp Gulch, Salmon, Lemhi Count...
Significance: The Bonanza Hydraulic Mining Site is significant as an exceptionally well-preserved, early twentieth century, placer mining site. Survey number: HAER ID-23-B
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Rock Creek Mining District, Upper, Lower & Waterman Ditches, Near inte...
Significance: The hydraulicking ditches of the Rock Creek Mining District are early representatives of a hydraulic mining process invented in California in 1852. The ditches preserve an early localized impleme... More
Hydraulic power mining, Alaska - Frank G. Carpenter collection
Title transcribed from caption accompanying item. Forms part of: Frank and Frances Carpenter collection (Library of Congress). Gift; Mrs. W. Chapin Huntington; 1951.
York Bridge, Federal Aid Secondary Route 280, Helena, Lewis and Clark ...
Significance: As a pin-connected Pennsylvania through truss structure, the bridge is not particularly significant for structural or engineering reasons. It is however, historically associated with the Helena Po... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Rock Creek Mining District, Upper, Lower & Waterman Ditches, Near inte...
Significance: The hydraulicking ditches of the Rock Creek Mining District are early representatives of a hydraulic mining process invented in California in 1852. The ditches preserve an early localized impleme... More
Bonanza Hydraulic Mining Site, Sawmill Site, Swamp Gulch, Salmon, Lemh...
Significance: The Bonanza Hydraulic Mining Site is significant as an exceptionally well-preserved, early twentieth century, placer mining site. Survey number: HAER ID-23-G
Bonanza Hydraulic Mining Site, Flume & Pressure Box, Swamp Gulch, Salm...
Significance: The Bonanza Hydraulic Mining Site is significant as an exceptionally well-preserved, early twentieth century, placer mining site. Survey number: HAER ID-23-C
York Bridge, Federal Aid Secondary Route 280, Helena, Lewis and Clark ...
Significance: As a pin-connected Pennsylvania through truss structure, the bridge is not particularly significant for structural or engineering reasons. It is however, historically associated with the Helena Po... More
York Bridge, Federal Aid Secondary Route 280, Helena, Lewis and Clark ...
Significance: As a pin-connected Pennsylvania through truss structure, the bridge is not particularly significant for structural or engineering reasons. It is however, historically associated with the Helena Po... More
Rock Creek Mining District, Upper, Lower & Waterman Ditches, Near inte...
Significance: The hydraulicking ditches of the Rock Creek Mining District are early representatives of a hydraulic mining process invented in California in 1852. The ditches preserve an early localized impleme... More
Rock Creek Mining District, Upper, Lower & Waterman Ditches, Near inte...
Significance: The hydraulicking ditches of the Rock Creek Mining District are early representatives of a hydraulic mining process invented in California in 1852. The ditches preserve an early localized impleme... More
Bonanza Hydraulic Mining Site, Main Storage Reservoir, Swamp Gulch, Sa...
For historical and descriptive information, see HAER No. ID-23. Significance: The Bonanza Hydraulic Mining Site is significant as an exceptionally well-preserved, early twentieth century, placer mining site. S... More
Bonanza Hydraulic Mining Site, Flume & Pressure Box, Swamp Gulch, Salm...
Significance: The Bonanza Hydraulic Mining Site is significant as an exceptionally well-preserved, early twentieth century, placer mining site. Survey number: HAER ID-23-C
![[Hydraulic mining, California gulch, Colorado], Colorado 19th century sterescope card.](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NzgvMDEvMDEvaHlkcmF1bGljLW1pbmluZy1jYWxpZm9ybmlhLWd1bGNoLWNvbG9yYWRvLTEwMjQuanBn/40/32/webp "[Hydraulic mining, California gulch, Colorado], Colorado 19th century sterescope card.")
[Hydraulic mining, California gulch, Colorado], Colorado 19th century ...
Picryl description: Public domain photograph of a road works, construction, excavation, free to use, no copyright restrictions.
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Rock Creek Mining District, Upper, Lower & Waterman Ditches, Near inte...
Significance: The hydraulicking ditches of the Rock Creek Mining District are early representatives of a hydraulic mining process invented in California in 1852. The ditches preserve an early localized impleme... More
Hydraulic mining near French Corral, Nevada County
Gems of California scenery, no. 1404. The Library holds only one photo from a pair published as a stereographic view. LOT subdivision subject: Hydraulic Mining.
York Bridge, Federal Aid Secondary Route 280, Helena, Lewis and Clark ...
Significance: As a pin-connected Pennsylvania through truss structure, the bridge is not particularly significant for structural or engineering reasons. It is however, historically associated with the Helena Po... More
York Bridge, Federal Aid Secondary Route 280, Helena, Lewis and Clark ...
Significance: As a pin-connected Pennsylvania through truss structure, the bridge is not particularly significant for structural or engineering reasons. It is however, historically associated with the Helena Po... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Bonanza Hydraulic Mining Site, Sluice Box, Swamp Gulch, Salmon, Lemhi ...
Significance: The Bonanza Hydraulic Mining Site is significant as an exceptionally well-preserved, early twentieth century, placer mining site. Survey number: HAER ID-23-F
Rock Creek Mining District, Upper, Lower & Waterman Ditches, Near inte...
Significance: The hydraulicking ditches of the Rock Creek Mining District are early representatives of a hydraulic mining process invented in California in 1852. The ditches preserve an early localized impleme... More
Rock Creek Mining District, Upper, Lower & Waterman Ditches, Near inte...
Significance: The hydraulicking ditches of the Rock Creek Mining District are early representatives of a hydraulic mining process invented in California in 1852. The ditches preserve an early localized impleme... More
Hydraulic gold mining - near Dutch Flat, California, C.P.R.R.
Photograph shows men using hydraulic equipment to wash gold from mountains near Dutch Flat, California.
![[Three men in gulch with a sluice, placer mining for gold] / W.H. Jackson photo.](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4NzIvMDEvMDEvdGhyZWUtbWVuLWluLWd1bGNoLXdpdGgtYS1zbHVpY2UtcGxhY2VyLW1pbmluZy1mb3ItZ29sZC13aC1qYWNrc29uLXBob3RvLTEwMjQuanBn/40/31/webp "[Three men in gulch with a sluice, placer mining for gold] / W.H. Jackson photo.")
[Three men in gulch with a sluice, placer mining for gold] / W.H. Jack...
Picryl description: Public domain photograph of a road works, construction, excavation, free to use, no copyright restrictions.
The Cradle / H. Sandham.. 19th century, Library of Congress collection
Hydraulic mining for gold in California. Illustration by Henry Sandham. Illus. in: The Century illustrated monthly magazine; 1883 Jan., p. 325. Reference copy also available in LOT 4397-H.
Placer mining, Twin Springs / photo by Horace C. Myers.
Photograph showing men using jets of water to loosen soil while placer mining for gold. Illus. in: Souvenir of Boise, Idaho. Copyright 1901 July 18th.
Gold mines, Bendigo, Vict., Australia - stereocsopic card
J246818 U.S. Copyright Office. No. 24247. Public domain photograph of landscape view, nature, stereoscopic card, free to use, no copyright restrictions image - Picryl description
York Bridge, Federal Aid Secondary Route 280, Helena, Lewis and Clark ...
Significance: As a pin-connected Pennsylvania through truss structure, the bridge is not particularly significant for structural or engineering reasons. It is however, historically associated with the Helena Po... More
York Bridge, Federal Aid Secondary Route 280, Helena, Lewis and Clark ...
Significance: As a pin-connected Pennsylvania through truss structure, the bridge is not particularly significant for structural or engineering reasons. It is however, historically associated with the Helena Po... More
York Bridge, Federal Aid Secondary Route 280, Helena, Lewis and Clark ...
Significance: As a pin-connected Pennsylvania through truss structure, the bridge is not particularly significant for structural or engineering reasons. It is however, historically associated with the Helena Po... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Bonanza Hydraulic Mining Site, Main Storage Reservoir, Swamp Gulch, Sa...
For historical and descriptive information, see HAER No. ID-23. Significance: The Bonanza Hydraulic Mining Site is significant as an exceptionally well-preserved, early twentieth century, placer mining site. S... More
Bonanza Hydraulic Mining Site, Sawmill Site, Swamp Gulch, Salmon, Lemh...
Significance: The Bonanza Hydraulic Mining Site is significant as an exceptionally well-preserved, early twentieth century, placer mining site. Survey number: HAER ID-23-G
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Colorado. Placer mining view, photochrome print postcard.
Title on inventory list: Placer mining. Detroit Publishing Co. no. "51044". Forms part of: Photochrom Print Collection. More information about the Photochrom Print Collection is available at http://hdl.loc.go... More
York Bridge, Federal Aid Secondary Route 280, Helena, Lewis and Clark ...
Significance: As a pin-connected Pennsylvania through truss structure, the bridge is not particularly significant for structural or engineering reasons. It is however, historically associated with the Helena Po... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Rock Creek Mining District, Upper, Lower & Waterman Ditches, Near inte...
Significance: The hydraulicking ditches of the Rock Creek Mining District are early representatives of a hydraulic mining process invented in California in 1852. The ditches preserve an early localized impleme... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
York Bridge, Federal Aid Secondary Route 280, Helena, Lewis and Clark ...
Significance: As a pin-connected Pennsylvania through truss structure, the bridge is not particularly significant for structural or engineering reasons. It is however, historically associated with the Helena Po... More
Rock Creek Mining District, Upper, Lower & Waterman Ditches, Near inte...
Significance: The hydraulicking ditches of the Rock Creek Mining District are early representatives of a hydraulic mining process invented in California in 1852. The ditches preserve an early localized impleme... More