Online Links:
Staff at EROS Data Center digitized the geologic map and prepared minimally attributed Arc/Info exchange-format files; R.J. Miller, R. Vandiver, M.C. Koenig (Eastern Washington University), and S.R. Munts (contractor) all participated in the initial edits of the dataset. William N. Kelley (contractor) completed the editing and attributing of arcs and polygons, and digitized the breccia point coverage (wal250bc).
This dataset was developed to provide a geologic map GIS of the Wallace 1°x2° quadrangle for use in future spatial analysis by a variety of users.
This database is not meant to be used or displayed at any scale larger than 1:250,000 (e.g., 1:100,000 or 1:24,000)
Are there legal restrictions on access or use of the data?Access_Constraints: none
Use_Constraints:This digital database is not meant to be used or displayed at any scale larger than 1:250,000 (e.g., 1:100,000 or 1:24,000).
Any hardcopies utilizing these datasets shall clearly indicate their source. If users modify the data in any way they are obligated to describe the types of modifications they have performed on the hardcopy map. User specifically agrees not to misrepresent these datsets, nor to imply that changes they made were approved by the U.S. Geological Survey.
The U.S. Geological Survey (USGS) provides these geographic data "as is." The USGS makes no guarantee or warranty concerning the accuracy of information contained in the geographic data. The USGS further makes no warranties, either expressed or implied as to any other matter whatsoever, including, without limitation, the condition of the product, or its fitness for any particular purpose. The burden for determining fitness for use lies entirely with the user. Although these data have been processed successfully on computers at the USGS, no warranty, expressed or implied, is made by the USGS regarding the use of these data on any other system, nor does the fact of distrubution constute or imply any such warranty.
In no event shall the USGS have any liability whatsoever for payment of any consequential, incidental, indirect, special, or tort damages of any kind, including, but not limited to, any loss of profits arising out of use of or reliance on the geographic data or arising out of the delivery, installation, operation, or support by USGS.
This digital geologic map GIS of the Wallace 1 x 2 degree quadrangle, Montana and Idaho, is not meant to be used or displayed at any scale larger than 1:250,000 (e.g., 1:100,000 or 1:24,000).
| Data format: | Geologic units and structural features in format ARCE (version 7.2.1) Size: 8.9 |
|---|---|
| Network links: |
http://pubs.usgs.gov/imap/i1509a/wal250k.tar.Z |