US lawOregonRegulationsChapter 632 — Department of Geology and Mineral IndustriesDivision 15 — INFORMATION AND SEISMIC TEST HOLES632-015-0005OAR 632-015-0005OAR 632-015-0005. Information and Seismic Test HolesLast amended: 2013Length: 18 wordsOfficial source These rules provide requirements for seismic and information hole operations, including financial security, groundwater protection, and surface reclamation.NextOAR 632-015-0010