BOOK COMPANIONColorado Geology Guide

Free reader's companion

The Roadside Geology Companion

A free companion to the book: a quick rock ID card, the best road cuts by highway, a fossil and mineral site list, and a printable field checklist for your next drive.

  • ✓Quick roadside rock ID card
  • ✓Best road cuts by highway (I-70, US-550...)
  • ✓Fossil & mineral site list
  • ✓Printable field-trip checklist

Send it to my inbox

Enter your email and your companion opens right away. Then a few short notes over the next three weeks, a quick question to see how it's going, and an invitation to leave an honest review. No spam, and one click unsubscribes you.

Your companion page right away, then a few short notes over the next three weeks, then an invitation to leave an honest review. Unsubscribe in one click, anytime.

Colorado Geology Guide

Why a companion?

Read the rocks at highway speed. The book gives you the full method; this free companion gives you the printable tools and a short audio briefing so you can put it to work the very first day.

R
R. J. WestfieldAuthor of Colorado Geology Guide