Results: 1 - 2 of 2
Jan 31, 1977
Open File Report
… above goal, summer rain and hail samples have been obtained through … Sulfur analyses of these samples, radar echoes of pertinent … most helpful. Data obtained from samples submitted through the …
Dec 31, 1992
Open File Report
… … A collection of 11,610 rock samples from the Precambrian Shield … Sample locations for 2630 samples were determined from the … published on June 1, 1993. Five samples from these sheets were …