I think Charles Richardson left Leroy in a hurry about 1920-21
Compare photo Uinta County WY library to the following book.

He did spend time in Nevada under the name of C.R. Murdock
see pages 152-153 " Who's Who in Nevada " Home Printing Company Los Angeles, CA 1907

See NV News papers
Also see "Sometimes Cassidy" by Art Davidson and Jim Aston