Below are a number of links for your convenience:

Official South Dakota State Government Website - http://sd.gov/

South Dakota Codified Laws - http://sdlegislature.gov/statutes/Codified_Laws/ 

Official Lincoln County Website - http://lincolncountysd.org/

South Eastern Council of Governments - http://secog.org/

South Dakota Municipal League - http://www.sdmunicipalleague.org/

Harrisburg School District - http://harrisburgdistrict41-2.org/