Keystone in Pennington County, South Dakota — The American Midwest (Upper Plains)

Flooded with Memories

June 9, 1972

Photographed by William Fischer, Jr., September 17, 2026

1. Flooded with Memories Marker

Inscription.

Dedicated to the lives lost and to those
who survived, helped with the rescue and
participated in the rebuilding of Keystone

Topics. This historical marker is listed in these topic lists: Disasters • Environment • Waterways & Vessels. A significant historical date for this entry is June 9, 1972.

Location. 43° 53.424′ N, 103° 25.645′ W. Marker is in Keystone, South Dakota, in Pennington County. It is at the intersection of Winter Street (U.S. 16A) and Roy Street, on the left when traveling south on Winter Street. Marker is on the Rushmore Borglum Story museum grounds. Touch for map. Marker is at or near this postal address: 342 Winter Street, Keystone SD 57751, United States of America. Touch for directions.

Regionally, this marker is in West River,

in the Badlands,

and in Greater Rapid City.

It is also in the American Black Hills,

in the Lewis & Clark Corridor,

on the prairies,

and on the Northern Plains.

Globally, it is in North America,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once Rupert’s Land

and also the Louisiana Purchase.

Other nearby markers. At

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least 8 other markers are within walking distance of this marker: Purchasing The Slaves' Freedom (here, next to this marker); William Jennings Bryan (within shouting distance of this marker); Dr. E. L. Trudeau (within shouting distance of this marker); The Seated Lincoln (within shouting distance of this marker); Gutzon Borglum (about 300 feet away, measured in a direct line); Martha Linde's Special Golden Valley and Hesnard Museum (approx. 0.2 miles away); Carrie Ingalls Swanzey (approx. 0.2 miles away); 1972 Battle Creek Flood (approx. 0.2 miles away). Touch for a list and map of all markers in Keystone.

Also see . . . The Black Hills-Rapid City flood of June 9-10, 1972 (USGS, 1975). (Submitted on October 2, 2026, by William Fischer, Jr. of Reynoldsburg, Ohio.)

Photographed by William Fischer, Jr., September 17, 2026

2. Flooded with Memories Marker

Credits. This page was last revised on October 2, 2026. It was originally submitted on October 2, 2026, by William Fischer, Jr. of Reynoldsburg, Ohio. This page has been viewed 4 times since then. Photos: 1, 2. submitted on October 2, 2026, by William Fischer, Jr. of Reynoldsburg, Ohio.