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Related Historical Markers
Sioux Quartzite, Sioux Falls, South Dakota
By Cosmos Mariner, August 21, 2016
The Sioux Quartzite Marker (tall view)
SHOWN IN SOURCE-SPECIFIED ORDER
| | The Sioux Quartzite, deposited more than a billion years ago, is among the oldest rock exposed in South Dakota. The quartzite and associated pipestone deposits were known to white men as early as 1822, but the American Indian used pipestone . . . — — Map (db m124602) HM |
| | 1.2 billion years ago intense heat and pressure transformed pure quartz sandstone into quartzite rock. The sandstone originated from sand deposited on the floor of an ancient ocean. Later, as glaciers moved across the area, large portions of the . . . — — Map (db m124640) HM |
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(Side One)
Congress appropriated $30,000 in 1881 for the construction of a prison in Sioux Falls to serve Dakota Territory. In order to finance a building large enough to house up to 150 inmates, the territorial legislature . . . — — Map (db m131714) HM |
Apr. 25, 2024
