Unified Interior Regions

South Dakota

Surface water and groundwater provide important water supplies in South Dakota. Major rivers include the Big Sioux, James, Cheyenne, and Missouri Rivers. Key aquifers include the Dakota, Madison, Minnelusa, and Big Sioux aquifers. The Dakota Water Science Center has many studies that focus on these resources as well various other national and international studies. 

Link to Science Center

States L2 Landing Page Tabs

Filter Total Items: 407
Image: Gypsum Layer in Spearfish Formation, SD
May 24, 2001

Gypsum Layer in Spearfish Formation, SD

Spearfish Formation near Spearfish, SD. The Spearfish Formation is a red, silty shale with interbedded red sandstone and siltstone. The formation contains massive gypsum deposits, which is the white layer in the photograph.

Image: Iron Bog near Rochford, SD
May 24, 2001

Iron Bog near Rochford, SD

Naturally occuring bog-iron area near Rochford, SD, in the Black Hills of western South Dakota.

Image: Aftermath of 2000 Jasper Fire, Jewel Cave, SD
May 24, 2001

Aftermath of 2000 Jasper Fire, Jewel Cave, SD

Photograph taken in 2001 of an area burned by the Jasper Fire that started on August 24, 2000, just west of Jewel Cave in the southern Black Hills of South Dakota. A total of about 84,000 acres was burned by the Jasper Fire.

Image: Madison Limestone in Spearfish Canyon, SD
May 24, 2001

Madison Limestone in Spearfish Canyon, SD

Outcrop of the Madison Limestone in Spearfish Canyon in the northern Black Hills of South Dakota. The Madison Limestone is a massive, gray to buff limestone with some dolomite.

Image: Minnelusa Formation at Ranch A near Beulah, WY
May 24, 2001

Minnelusa Formation at Ranch A near Beulah, WY

Outcrop of the Minneslua Formation at Ranch A near Beulah, Wyoming. The Minnelusa Formation consists mostly of yellow to red sandstone, limestone, dolomite, and shale.

Image: Precipitation Gage near Custer, SD
August 27, 2000

Precipitation Gage near Custer, SD

Precipitation gage 434534103290500, Mt. Coolidge near Custer, SD

December 31, 1999

NASA EOS TERRA Satellite Launch NASA EROS Tape 2

A 1999 video on the NASA EOS TERRA Satellite Launch NASA/EROS - Part 2
 

December 31, 1999

1999 NASA EOS TERRA Satellite Pre Launch Press Conference

A 1999 press conference on the launch of the NASA EOS TERRA satellite
 

December 31, 1997

1997 NSLRSDA 14 minutes

A 1997 presentation on the National Satellite Land Remote Sensing Data Archive, led by the USGS Earth Resources Observation and Science (EROS) Center 
 

October 31, 1994

1994 October 27 Addition Construction Update

A video from October 1994, updating progress on the building addition at USGS EROS.

October 31, 1994

1994 EROS Addition Construction

A 1994 video on the construction of a building addition at the USGS Earth Resources Observation and Science (EROS) Center.