Below is the related data that I found for Illinois Mining Accidents 1885-1948 in the Annual Coal Report of the Illinois Department of Mines and Minerals.
Date of Accident / Name of Person / Age / Residence or Name of Mine / F=Fatal or N=Nonfatal / Page & Reference Source
1923SEP4 DANIEL, A T 37 ZEIGLER N 261
1904MAR13 DANIEL, GEORGE 53 WANLOCK N 207
1925MAY25 DANIEL, HILLERY 26 LUMAGHI COAL F 218
1911APR17 DANIELS, AUGUST 24 CHRISTOPHER N 356
1922NOV16 DANIELS, C 34 MARION N 304
1923JAN9 DANIELS, CHARLES 32 BELLEVILLE N 244
1898AUG22 DANIELS, FRANK 25 DANVILLE F 81
1898AUG22 DANIELS, FRANK 25 DANVILLE F 82
1892NOV12 DANIELS, HENRY 22 ODIN F 87
1892NOV13d DANIELS, HENRY 22 ODIN F 85
1920MAR15 DANIELS, HENRY 18 BELLEVILLE N 204
1901JAN9 DANIELS, J 35 TAYLORVILLE N 196
1906APR3 DANIELS, JOHN 19 BELLEVILLE N 320
1920SEP10 DANIELS, NELSON 21 N 224
1918JAN10 DANIELS, R A 55 REND N 251
1900FEB20 DANIELS, REPO 40 WESTVILLE N 146
1923APR16 DANIELS, SAMUEL 40 SPRINGFIELD N 188
1915MAR13 DANIELS, THOMAS 25 CHRISTOPHER N 233
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.
It does not appear that I have any record of Wm Henry Daniels, but perhaps you can find help on these web sites:
http://www.linkpendium.com/https://beta.familysearch.org/ “LDS Family Search” If you place your browser on the name on the left, more information comes up.
http://www.findagrave.com/ http://www.deathindexes.com/ from Jerry