Exploring the World from the American West



The Native Trees of Colorado     A guide to all native trees of Colorado, with details for easy identification.

          Information about the Mountain Pine Beetle and the Pine Beetle epidemic, a compilation.

          Books about Colorado trees and Colorado's Natural History


The Detached Observer Blog, and The Tattered Flag


Photographer Wier a 19th Century Photographer in the 21st Century


GNSS QA Plotting programs Anubisplot and teqcplot.py


Some results of 20 years of avocational studies: