I found the following information in my search of my Wyoming mining accident database:

Date of Accident / Name of Victim / Age / Mine or Location / F=fatal or N=nonfatal / Reference Source / Page / Report Year

1908MAR28 EVANS, JOHN HANNA No.1 F W9
1886JAN12 EVANS, JOSEPH ALMY No.4 F W6
1972MAY EVANS, L A SALT LAKE CITY, UT N 74 75 1972
1912 EVANS, T HANNA F W2B 1
1912DEC18 EVANS, TALLY 18 HANNA F 73 24 1913
1886JAN12 EVANS, WILLIAM ALMY No.4 F W6

If any of the above are of interest to you, get back with me. I do have a little more information about these specific accidents.

From Jerry,
http://www.genealogy.com/users/s/h/e/Jerry-Sherard/ “Mining Accidents U.S., Canada, New Zealand and Australia”