Keywords: South Dakota wind resource map 50m 800.jpg en Average annual wind power distribution for South Dakota 50m height above ground also showing location of existing electrical transmission lines http //www windpoweringamerica gov/images/windmaps/sd_50m_800 jpg United States Department of Energy National Renewable Energy Laboratory TrueWind Solutions not given EERE copyright policy says its works are public domain http //www1 eere energy gov/webpolicies/ copyright http //www awstruewind com/files/SD_pwr50m pdf - more detailed commercial version PD-USGov Maps of South Dakota Wind power in South Dakota U S State 50 meter wind resource maps |