There are a few differing dates from which the severity has been derived.
Burn Severity August 2017 covers Elephant Hill and other Thompson Rivers District fires.  The Elephant hill fire was not yet out when this severity was completed.

Burn severity Files More Nov2017 has Caribou region fires and the Elephant Hill fire is more complete on the north end and is somewhat different than the August 2017 file.

Burn severity files KMZ and PDF has many fires from the province.  You will need to peruse through to find what may be useful.  The Elephant Hill fire files are probably based on August 2017 imagery before the fire was out.

Ron Van der Zwan, Stewardship Officer, Thompson Rivers District, Clearwater
250 587 6743