Results: 1 - 5 of 5
Jul 31, 1980
Open File Report
… information and summarizes the sand and gravel resources using … geology, soil maps and a sand and gravel aerial photo … study. The major deposits of sand and gravel are of meltwater …
Feb 29, 1980
Open File Report
… fine and fine to medium grained sand unsuitable for the aggregate … encountered medium grained sand with a grain size distribution … coarse, dirty to clean gravelly sand with the content of gravel …
Mar 03, 2021
Data
Mar 03, 2021
Data