NORTHRUP CANYON, Acrylic on board, 10-1/2" x 9-1/4"
TA Cooley Collection
Calcrete Growth in Alluvial Lowlands - Eastern Washington
Sheeted Clastic Dikes in the Megaflood Region
Near and Far Field Hydrofracture in the Formation of Sheeted Clastic Dikes
Giant Current Ripples at Omak, WA
FOP 2023 Planning
Geology at the Colville River Mouth - Lake Roosevelt, WA
Paleoseismic Trenches in Eastern Washington
Glacial ice south of the Polson Moraine - Mission Valley, MT
Ancient Flood Beds & Calcrete - White Bluffs, WA
Fracture Notes - In progress
Post-glacial Rebound in the Okanogan Valley?
New Artwork - Winter 2023
Calcrete Field Trip - Hendricks Road at Eagle Lakes, WA (Revised Nov 2022)
Calcrete-Capped Megaflood Gravel - George, WA
Clastic Dikes Literature Relevant to Eastern Washington 1820-2020
Dune Fields of the Upper Columbia River Region, WA
Fault Scarp or Ranch Road? Review of USGS paleoseismic trench near Wallula, WA
Great Terrace of the Columbia #1 - The Explorers
Great Terrace of the Columbia #2 - The Geologists
Correlating Measured Sections - White Bluffs, WA
Harder Road - Calcrete Over pre-Wisconsin Flood Gravel
Hydraulic Fracture Efficiency
Clastic Dikes: The Tops of Clastic Dikes
Clastic Dikes: Sand Dikes Intruding Bedrock
Clastic Dikes in Eastern Washington: Formed by Lateral Spreading?
Clastic Dikes: Dispelling a Periglacial Origin
Clastic Dikes: Whence Upward Intrusion?
Before Bretz
Lind Coulee Fault near O'Sullivan Dam - Potholes Reservoir, WA
Roald Fryxell: My spirit animal
Repeated Deformation - Lake Rufus Woods, WA
Periglacial Soil Wedges East of Glacier National Park
Clastic Dikes at Metalline Falls, WA
Pleistocene(?) Alluvial Stratigraphy - Lind Coulee, WA
Tetons Drive
Structureless Sandstone Beds - White Bluffs, WA
Diatomite Lake Invaded by Molten Lava - Frenchman Hills, WA
Old Maid Coulee Site Geology - Connell, WA
Baja 2022: Places We Visited
Dry Hollow Site Geology near Clyde, WA
A North Slope Field Geologist c. 1919
Two Lines in Motorcycle Design - Norden 901 & KTM 990
Sanpoil-style Syn-sedimentary Deformation
Linear Surface Anomalies at Bennington, ID
Google Earth and Illustrator for Geologic Mapping
Slide Planes, Mud Squirts & Diamicts in Upper Grand Coulee
Calcrete Field Trip - Stokrose Gravel Pit
Calcrete Field Trip 2021 - Overview
Calcrete Field Trip - Warden Canal
Calcrete Field Trip - Red Tank
