Results: 1 - 3 of 3
Sep 10, 2019
Report
… will be aided by abundant sandstone in the uppermost part of … proximity to bedrock with high sandstone abundance. The rivers … on topographic relief. Where sandstone is abundant in the …
Dec 31, 1970
Bulletin
… of the Porcupine Hills Formation sandstone is characterized by a low …
Dec 31, 1979
Open File Report
… km) wide, of preferred coal and sandstone development which relate …