My brother traveled to Colorado and stopped by Idaho Springs. He saw this Underhill museum. I checked the Web about this museum and found this link:
http://historicidahosprings.com
Dr. James Underhill is James #5950 in UG Vol. 3, pg 948 and Vol. 5, pg 486, son of James Underhill and Louisa Fuller Johnson.
Pretty cool!
Regards,
Rob Underhill
Genealogist
Underhill Society of America