Preliminary report on the geology and mineralogy of clays on the Pine Ridge Indian Reservation, South Dakota, with a chapter on usability tests
Explore the source record for details and available documents.
Open-File Report↗
Geology topics
Howard P. Hamlin
Publications and source records attributed to Howard P. Hamlin.
Bloating clay deposits in southern Maryland
Explore the source record for details and available documents.
Open-File Report↗