Results: 1 - 5 of 5
Dec 31, 1966
Earth Sciences Report
… under less than 100 feet of overburden. … Campbell, J.D. … …
Dec 31, 1971
Earth Sciences Report
… under less than 100 feet of overburden. High effective ash …
Oct 25, 2018
Report
… (SV) come from estimates of the overburden pressures obtained by …
Aug 08, 2016
Data
Jan 31, 2006
Geo-Note
… covered by as little as 7 m of overburden composed largely of …