MIT Libraries logo

Search Constraints

Start Over
You searched for: Subject Environment Remove constraint Subject: Environment Year 1993 Remove constraint Year: 1993
« Previous | 1 - 10 of 22 |
Number of results to display per page

Search Results

1. Bedrock geology of Waseca County, Minnesota, M-73, Plate 1

1993. Bloomgren, Bruce A. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), scale 1:62,500, Waseca County.

2. Bedrock geology of Waseca County, Minnesota, M-73, Plate 2

1993. Bloomgren, Bruce A. Structure (recognizable features produced by deformation of rocks) maps of the St. Peter Sandstone, Prairie du Chien Group, and Jordan Sandstone; I...

3. Bedrock geology of Waseca County, Minnesota, M-73, Plate 3

1993. Bloomgren, Bruce A. Cross sections and structure (recognizable features produced by deformation of rocks) map of the Mt. Simon Sandstone, extending into Le Sueur and R...

4. Biotic Communities, Arizona, 1993

1993. Arizona. State Land Department. This dataset adapted from the map provided "Biotic Communities of the Southwest", August 1980 by David E. Brown and Charles H. Lowe. The datasest s... Arizona State Land Department.

5. Ephemeral and Perennial Streams, Arizona, 1993

1993. Arizona. State Land Department. Dataset identifies both Ephemeral and Perennial Streams throughout Arizona. This dataset was converted in the fall of 1988 from USGS 1:100,000 scal... Arizona State Land Department, Arizona Land Resources Information System.

6. Geologic map of Archean bedrock, Soudan-Bigfork area, northern Minnesota, M-79

1993. Southwick, Dave L. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), Archean rocks, bedrock outcrop (rock e...

7. Geologic map of Minnesota, bedrock geology, S-19

1993. Morey, G.B. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Minnesota, scale 1:3,000,000.

8. Geologic map of the Doyle Lake and Finland quadrangles, Lake County, Minnesota, M-72

1993. Miller, James D., Jr., Green, John C., Boerboom, Terrence J., and Chandler, Val W. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Doyle Lake and Finland quadrangl...

9. Known Mineral Deposit Areas, Arizona, 1993

1993. Arizona. State Land Department. This coverage shows known mineral deposit areas (KMDA's) in Arizona for locatable minerals. Locatable minerals include all that may be obtained by ... Arizona State Land Department.

10. Major and Minor River Systems, Arizona, 1993

1993. Arizona. State Land Department. Data layer depicts all rivers and streams. Converted in the fall of 1988 from USGS 1:100,000 scale DLG data to ARC format. Since then, multiple and... Arizona State Land Department.