About the Author
Felicie Williams started learning about Colorado s geology at a young age when she accompanied her geologist parents during summer field seasons. She earned a bachelor s degree in geology from the University of Colorado in Boulder and a master of science in geology from the University of British Columbia. Felicie worked for years as a mineral exploration geologist and detailed mapper for mining companies and the Colorado Geological Survey.
Felicie married geologist Mike Williams in 1982, and in 1992 they moved to Grand Junction, Colorado, and raised two children.
Halka Chronic received a doctorate in geology from Columbia University in 1949. Her career took her all over the globe from teaching at Haile Sellassie University in Ethiopia to identifying Geologic Landmarks for the U.S. National Park Service in the southern Rockies. She spent more than thirty years in Boulder, Colorado, working as an editor and raising her daughters.
Halka lived for many years in Sedona, Arizona. Semiretired, she wrote, took school children on field trips, and gave talks about the region s geology. She wrote three other Roadside guides for Mountain Press Utah, Arizona, and New Mexico. She passed away in April 2013.