Networks of Pleistocene clastic dikes are sometimes visible on bladed slopes or surfaces that have had all vegetation removed. Aerial...

I used to work for the Confederated Tribes of the Colville Indian Reservation. I was the Soil Scientist. The Tribe manages 1.4 million...

"You can tell the cut of a Geologist's jib by the state of his field book." Above is a page from one of my field books showing what data...