This is a test page, showing images created by Dexter Perkins and students at the University of North Dakota. Use is free for any educational purpose.
The entire collection is available at https://sketchfab.com/rocksandminerals.
This is a test page, showing images created by Dexter Perkins and students at the University of North Dakota. Use is free for any educational purpose.
The entire collection is available at https://sketchfab.com/rocksandminerals.