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Spruce Ridge specimens and trip photos.
Excalibur, a famous specimen collected in 1983. In the BJackson collection until 2007, then sold to the RDillhoff collection. Among Bob's specimens featured in the America's Mineral Treasures displays and book at the 2008 Tucson show.
13 images
Collecting trips
Pictures of the Geology Adventures guests and staff collecting on our trips around the NorthWest.
14 images
Showing 1-4 of 4
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