Versions of South Dakota Codified Laws 31-14-23. Purchase of twelve months\' supply of materials--Estimate by county highwaysuperintendent--Specifications on LawServer 2023 South Dakota Codified Laws 31-14-23. Purchase of twelve months’ supply of materials–Estimate by county highwaysuperintendent–Specifications 2022 South Dakota Codified Laws 31-14-23. Purchase of twelve months’ supply of materials–Estimate by county highwaysuperintendent–Specifications 2021 South Dakota Codified Laws 31-14-23. Purchase of twelve months’ supply of materials–Estimate by county highwaysuperintendent–Specifications 2019 South Dakota Codified Laws 31-14-23. Purchase of twelve months’ supply of materials–Estimate by county highwaysuperintendent–Specifications 2018 South Dakota Codified Laws 31-14-23. Purchase of twelve months’ supply of materials–Estimate by county highway superintendent–Specifications 2016 South Dakota Codified Laws 31-14-23. Purchase of twelve months’ supply of materials–Estimate by county highwaysuperintendent–Specifications 2014 South Dakota Codified Laws 31-14-23. Purchase of twelve months’ supply of materials–Estimate by county highwaysuperintendent–Specifications 2010 South Dakota Laws 31-14-23 – Purchase of twelve months’ supply of materials–Estimate by county highway superintendent–Specifications