Results: 1 - 2 of 2
Dec 31, 1979
Open File Report
… km 2 . A study of the sand and gravel resources of the area was … of these rivers contain coarse gravel and coarse sandy gravel which is as much as 20 m …
Apr 29, 1979
Open File Report
… aquifer such as sand or sand and gravel. Well construction was to be …