Westminster, CO | Prairie Du Chien, WI | Breckenridge, CO
Also known as: dhelder
Duane Helderlein lives in Westminster, Colorado, but has also spent time in Prairie Du Chien, Wisconsin and Breckenridge, Colorado.
Wyoming, MI | San Francisco, CA | Grandville, MI
Also known as: dhelder
Twitter Geo Engineer, Holocenester, Burgher, Mathemagician, Slow Child Playing, Absentee, Cat Dressed as a Cow