Mud squirts. Mobilized lacustrine muds are dragged upward into an overriding sand bed deposited by a Missoula flood entering Glacial Lake...

While mapping the geology of the 1:24,000 scale Georgetown Quad near Bennington, ID, structural geologist Jim Coogan discovered linear...

If you don't have access to ArcGIS, Google Earth (aerial photos + 3D topography) and a transparent 24k topographic map (standardized...