Results: 1 - 8 of 8
Dec 31, 1979
Earth Sciences Report
… generally has less than 3 m of overburden. These preglacial …
Oct 25, 2018
Report
… (SV) come from estimates of the overburden pressures obtained by …
Aug 08, 2016
Data
Dec 31, 1985
Open File Report
… than 1,000 m in the area. Overburden is thin, volume probably …
Sep 30, 1980
Open File Report
… least 1 m, and have a ration of overburden to gravel and sand of no …
Dec 31, 1986
Open File Report
… amounts of sand beneath thick overburden in the area between Rock …
Dec 31, 1978
Earth Sciences Report
… least 1 m, and have a ratio of overburden to gravel and sand of no …
Dec 31, 1979
Open File Report
… because of the large overburden thickness. Near-surface …