- Discovery interface to Aerial Photographs of Colorado owned by the Colorado School of Mines Library
- Discovery interface to topographic maps of the world at scales 1:20,000 to 1:125,000 owned by the Colorado School of Mines Library
- Discovery interface to topographic maps of the world at scales 1:200,000 to 1:253,440 owned by the Colorado School of Mines Library
- Swipe version of Discovery interface to topographic maps of the world at scales 1:200,000 to 1:253,440
- Discovery interface to scanned topographic maps of the world at scales 1:50,000 to 1:125,000
- Discovery interface to scanned topographic maps of the world at scales 1:200,000 to 1:253,440
Clearinghouse of GIS-made indexes to paper map sets
Useful Links:
- Bounding Box Tool for Metadata Enrichment -- free website that allows you to draw a box using the corner latitude / longitude coordinates, and translates the box into MARC 034 & 255 fields.
- Extent Helper by the NGNMDB -- upgraded free website that allows you to draw a box using the corner latitude / longitude coordinates, and translates the box into MARC 034 & 255 fields
- DIVA-GIS -- GIS files of outline maps of countries--includes province boundaries, water courses.