» Black Hills Weather Information
Includes information about chinook winds, how geography affects weather, and other aspects of the meteorology of the Black Hills region.
» Lake Pelican Water Project District
Formed to improve the quality of the water in Lake Pelican near Watertown. Flood protection, projects, video, and contact information.
» South Dakota Geological Survey
Mission is to conduct geologic studies, hydrologic studies, and research; and to collect, correlate, preserve, interpret, and disseminate information, leading to a better understanding of the geology and hydrology of South Dakota.
