Mark Birkle:
Tensegrity Bonsai Floating Island Structure-7369
Mark Birkle:
Tensegrity Bonsai Floating Island Structure-7372
Mark Birkle:
Cedar Tensegrity Structure-9548
Mark Birkle:
Cedar Tensegrity Structure-9546
Mark Birkle:
Shaving Cream Product Shrinkage
Mark Birkle:
Helen Black at the Saturday Stream Snapshot Data Sharing Brunch 2016
Mark Birkle:
Helen Black at the Saturday Stream Snapshot Data Sharing Brunch 2016
Mark Birkle:
Helen Black Rheinstrom Park 2009 Collecting Water Samples for the Saturday Stream Snapshot
Mark Birkle:
Helen Black and Kason
Mark Birkle:
Helen Black and Tom
Mark Birkle:
Wild Columbine
Mark Birkle:
Wild Columbine
Mark Birkle:
Japanese Maple Acer Palmatum Trompenburg
Mark Birkle:
Ale - Summer Day in Stonelick Creek
Mark Birkle:
Ale - Summer Day in Stonelick Creek
Mark Birkle:
Ale - Summer Day in Stonelick Creek
Mark Birkle:
Crystal Bicycling at the Beach
Mark Birkle:
Crystal Bicycling at the Beach
Mark Birkle:
Crystal Bicycling at the Beach
Mark Birkle:
Crystal Bicycling at the Beach
Mark Birkle:
Crystal Bicycling at the Beach
Mark Birkle:
Crystal Bicycling at the Beach
Mark Birkle:
Crystal Bicycling at the Beach
Mark Birkle:
Crystal Bicycling at the Beach
Mark Birkle:
Crystal Bicycling at the Beach
Mark Birkle:
Crystal Bicycling at the Beach
Mark Birkle:
Crystal Bicycling at the Beach
Mark Birkle:
Crystal Bicycling at the Beach
Mark Birkle:
Crystal Bicycling at the Beach
Mark Birkle:
Death of a Light Bulb 2-1
