Results: 1 - 6 of 6
Dec 31, 1979
Open File Report
… and availability of the resource. Seven weeks of field … the most important sources of granular material in the area are … deposits are the major source of granular material in the area. …
Dec 31, 1980
Open File Report
… and volume. The major sources of granular material in the area are … largest volume of good quality granular material that is closest …
Dec 31, 1987
Open File Report
… and quantity. Most of the granular material in the study area …
Dec 31, 1979
Earth Sciences Report
… become an important source of granular material in the future. …
Nov 30, 1979
Open File Report
… area contains an abundance of granular deposits, but most is in …