Results: 1 - 3 of 3
Aug 15, 2011
Open File Report
… mudstone with thin sandstone and siltstone interbeds and isolated … consists mainly of mudstone and siltstone (commonly carbonaceous); …
Dec 31, 1974
Bulletin
… of bentonitic sandstone, siltstone and silty claystone, with …
Dec 31, 1997
Open File Report
… represented include: shale (36); siltstone (12); sandstone (17); …