Search Constraints
You searched for:
Author
Jirsa, Mark A.
Remove constraint Author: Jirsa, Mark A.
Subject
Geoscientific Information
Remove constraint Subject: Geoscientific Information
Subject
Environment
Remove constraint Subject: Environment
Institution
Minnesota
Remove constraint Institution: Minnesota
Year
1998
Remove constraint Year: 1998
1 - 2 of 2
Search Results
1. Bedrock geologic map of the Midway area, St Louis County, Minnesota, M-86
1998. Jirsa, Mark A. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Midway area, Virginia Horn, Mesa...
2. Bedrock geologic map of Virginia Horn, Mesabi Iron Range, St Louis County, Minnesota, M-85
1998. Jirsa, Mark A., Boerboom, Terrence J., and Morey, G.B. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Virginia Horn area, Mesabi Iron ...