Earth Science Portal,
VOLCANOES OF THE WESTERN UNITED STATES: Field-trip guides to selected volcanoes and volcanic landscapes of the western United…
VOLCANOES OF THE WESTERN UNITED STATES: Field-trip guides to selected volcanoes and volcanic landscapes of the western United…
The US Geological Survey has constructed field trip guides to select volcanic fields and volcanoes of the Western U.S. By way…
Volcanologists: Peruse these files. Most are available as PDF downloads.
How do you write a geological field trip guide? Take a couple of geologists, a lot of driving, and years of field experience.