Results: 1 - 3 of 3
Dec 31, 1974
Earth Sciences Report
… … Increasing demands for quality gravel prompted an investigation … 23 west of the fourth meridian and range 3 west of the fifth … tills, lacustrine materials and sand dunes which yield little or no …
Nov 30, 2008
Open File Report
… of diamondiferous kimberlite, and as a curiosity regarding the … production as a co-product of sand and gravel, however, should warrant …
Dec 31, 1982
Open File Report
… is continually being updated and this report will be recompiled … Phosphate Rock, Potash, Salt, Sand and Gravel, Sandstone-Siltstone, Silica …