Results: 1 - 4 of 4
Dec 31, 1973
Earth Sciences Report
… by glacial materials, mainly till and clay and silt. Buried … Groundwaters in areas covered by till, and clay and silt are … in contrast to areas of till, and silt and clay in similar …
Dec 31, 1971
Earth Sciences Report
Feb 28, 1977
Open File Report
… deposits such as colluvium and till may produce yields up to …
Dec 31, 1971
Earth Sciences Report