March 23, 2017March 21, 2017Natural Negative Perspective 3 Continue reading "Natural Negative Perspective 3"
March 22, 2017March 21, 2017Natural Negative Perspective 2 Continue reading "Natural Negative Perspective 2"
November 1, 2013November 1, 2013Black Rock Limestone Subgroup 6 Continue reading "Black Rock Limestone Subgroup 6"
October 31, 2013October 31, 2013Black Rock Limestone Subgroup 5 Continue reading "Black Rock Limestone Subgroup 5"
October 31, 2013October 31, 2013Black Rock Limestone Subgroup 4 Continue reading "Black Rock Limestone Subgroup 4"
October 31, 2013October 31, 2013Black Rock Limestone Subgroup 3 Continue reading "Black Rock Limestone Subgroup 3"
October 8, 2013October 8, 2013Black Rock Limestone Subgroup 2 Continue reading "Black Rock Limestone Subgroup 2"
April 7, 2011October 22, 2013Portland rocks – geological abstract art Continue reading "Portland rocks – geological abstract art"
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