I have no one in my eastern PA mining accident database with the surnames KOCUR, KOTCHAN or their spelling variants.

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