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Black Hawk in Gilpin County, Colorado — The American Mountains (Southwest)
 

Black Hawk History - Floods

 
 
Black Hawk History - Floods Marker image. Click for full size.
Photographed by Leslie Eudy
1. Black Hawk History - Floods Marker
Inscription.
Gilpin County, Colorado
Black Hawk History
Floods
Mining activities, the construction of mills, homes and access roads, together with the tremendous use of wood for fuel deforested the surrounding hillsides and caused frequent flooding in Black Hawk.

Main Street Rail
“Mayor Grutzmacher and County Commissioner Joseph Borzago went down to Denver, Monday last to see the railroad officials, and to get their assistance in removing the immense quantities of sand and rock that now fills Main Street from the flag pole down below the Colorado House, to a depth in many places of at last five feet…

Mayor Grutzmacher reported to the officials that he had measured the ground and calculated that there were in the neighborhood of from 18,000 to 20,000 yards to be removed, and the condition the city was in financially, it was too great a burden to handle in the way that it should be, and under the present system it would take a year or longer to put the streets in the condition they were before the flood. He was advised to call a special meeting of the council and have a temporary franchise given the railroad company granting
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them the right and privilege of laying a track up Main Street from the depot, on which to run their flat cars, and when loaded the cars would be hauled down the track and dumped where filling was needed. A special meeting of the council was held last night, and no doubt all arrangements were made so as to secure the help of the railroad in this big undertaking.” The Register newspaper, August 19, 1910

“Today, Black Hawk presents anything but an inviting appearance…Gregory street is washed out in placed from three to five feet deep from the Bobtail tunnel to a point below the post office, and it will be several days and perhaps a week before teams will be able to haul ore to the mills or sampling works…At the depot the tracks of the Colorado and Southern railroad are buried beneath the finest lot of sand and rubbish one would wish to see…the greatest damage to an individual resulted in the caving in of the side wall of Theo. Crook’s building, in which his saloon is located, through which a stream of water, sand and rock rushed, finding an exit through his front door.” The Register newspaper, August 19, 1910

“…section men have been
Black Hawk History - Floods Marker Wide View image. Click for full size.
Photographed by Leslie Eudy, October 24, 2025
2. Black Hawk History - Floods Marker Wide View
engaged since the first of the week putting in a stitch from the Manson side track, and laying rails up Main Street, so that the work train can get action on the big banks of sand and rock on the street, and the superintendent of the working crew is of the opinion that he will have the streets cleared within the next ten days. A force of at least 50 men are working and are making excellent headway.” The Register newspaper, September 30, 1910

The Flood Aftermath

“…the Colorado & Southern work train left yesterday morning, having completed the cleaning of the streets…up to the present date have removed 261 flat cars of sand and rock from the main street, where they have put in a switch to help the City out in this work.” The Register newspaper, October 7, 1910

“The city officials are at a loss to know what to do, and will fix up the worst places temporarily, and wait for future developments in the flood line, and when the season has passed for such visitations, will put everything in shape again for the flood that will come next year or later.” The Register newspaper, July 1910


 
Topics. This historical marker is listed in
Upper Photos on Marker image. Click for full size.
3. Upper Photos on Marker
Right: Main Street, Black Hawk with temporary rail system for removing the sand and rock left from the flood, ca. 1910. Left: Flooding waters on Gregory Street, Black Hawk, ca. 1910.
these topic lists: DisastersSettlements & Settlers.
 
Location. 39° 48.095′ N, 105° 29.69′ W. Marker is in Black Hawk, Colorado, in Gilpin County. It is at the intersection of Gregory Street and Selak Street, on the right when traveling west on Gregory Street. When heading north on Highway 119, take a left on Black Hawk Street, which becomes Gregory Street. Marker is on the right, at the corner of Gregory Street and Selak Street. Touch for map. Marker is in this post office area: Black Hawk CO 80422, United States of America. Touch for directions.

Regionally, this marker is in the Colorado High Rockies. It is also in the American Mountain West. Globally, it is in North America, the Rocky Mountains, the Western Hemisphere, the Western World, and the Anglosphere.

Other nearby markers. At least 8 other markers are within walking distance of this marker: Train Trestle (a few steps from this marker); Bird’s-eye view of Black Hawk (about 300 feet away, measured in a direct line); Black Hawk History (about 300 feet away); Fick’s Carriage Shop (about 300 feet away); Gilpin Hotel (about
Middle Photo Up Close image. Click for full size.
4. Middle Photo Up Close
Gregory Street, Black Hawk, during the flood of August 10, 1887.
400 feet away); Welcome to Black Hawk (East side) (about 600 feet away); Black Hawk History - Business (about 700 feet away); Founder's Clock (about 800 feet away). Touch for a list and map of all markers in Black Hawk.
 
Lower Photo on Marker image. Click for full size.
5. Lower Photo on Marker
Gregory Street, Black Hawk, after a flood, July 30, 1895.
 
 
Credits. This page was last revised on October 31, 2025. It was originally submitted on October 30, 2025, by Leslie Eudy of Golden, Colorado. This page has been viewed 63 times since then and 37 times this year. Photos:   1, 2, 3, 4, 5. submitted on October 30, 2025, by Leslie Eudy of Golden, Colorado. • Andrew Ruppenstein was the editor who published this page.
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Jul. 16, 2026