Hi Sheryn, Contact the Cemetery Office -
http://www.yellowknife.ca/City_Hall/Departments/CommunitySer... they will confirm if the burials of Noland BOSs and Bernice BOSS nee HEIGHTON - are buried at Lakeview Cemetery, Yellowknife.
If not there - they will know of other cemeteries - where a burial might take place.
The Funeral Home / Undertaker - may have taken information for the Registration of Death - will know if an OBITUARY - had been published. Will know of any close living relatives.
Perhps Cemetery Office - or Funeral Home - will offer cemetery photographs