No specific dates were listed, but let me check it out at the library. I may find something.
I found this web pagehttp://freepages.genealogy.rootsweb.com/~coleen/tyonek.html
1938 BIA Census Tyonek, Alaska
Mishakoff, Dick 36 Head Full Native
Mishakoff, Nellie 17 Wife Full Native
1940 BIA Census Tyonek, Alaska
Mishakoff, Nick 42 b. Kenai
Mishakoff, Doris 32 b. Kenai
Mishakoff, Alice 4 b. Kenai
Mishakoff, Dick 38 b. Kenai
Mishakoff, Nellie (Stephan) born 1920 Tyonek
Mishakoff, William born 1941 Tyonek son
Mishakoff, Stanley (Ephim) born 1944 Tyonek son
Mishakoff, Martha born 1946 Tyonek daughter
Mishakoff, Theodore born 1949 Tyonek son
Mishakoff, Maxim born 1950 Tyonek son
This lady that has this web page may be a good contact. Look at her Home page her e-mail firstname.lastname@example.org
You are no bother-I like searching.
I will let you know about the obits.