To find binary base map data for a specific geographic area, click on the appropriate 30 by 60 minute quadrangle on the state map below. A Web page containing a graphic of the 30 by 60 minute quadrangle will display eight subdivided 15 by 15 minute quadrangles. Alternatively, you can choose from an alphabetical text list of available 30 by 60 minute quadrangles.

| Aberdeen | Alzada | Atkinson | Belle Fourche | Big Bend Dam | Brooking | Camp Creek | Camp Crook | Chamberlain | Cherry Creek | Clear Lake | De Smet | Devils Tower | Ekalaka | Elm River | Eureka | Faith | Freeman | Gettysburg | Highmore | Hot Springs | Huron | Kadoka | La Plant | Lake Andes | Lance Creek | Lemmon | Martin | Mcintosh | Milbank | Mission | Mitchell | Mobridge | Mount Rushmore | New Underwood | Newcastle | Onida | Philip | Pierre | Pine Ridge | Rapid City | Redfield | Redig | Rock Rapids | Salem | Sioux City North | Sioux Falls | Sisseton | Sundance | Timber Lake | Wall | Watertow | Webster | Wheaton | White River | Winner | Yankton |