Mule deer (Odocoileus hemionus hemionus), Columbia blacktail (Odocoileus hemionus columbianus), and Sitka blacktail deer (Odocoileus hemionus sitkensis) are subspecies of the same species that are separated by geographically defined boundary (Chapter 2) lines for records-keeping purposes.
Boone and Crockett Club Field Guide to Measuring & Judging Big Game 2nd Ed.[B11] 9780940864665
PacWest Outdoors: The 9 Habits of the Record Book Buck Hunter
Tips and Tricks for Hunting Black-Tail Deer
Records of North American Mule Deer by Boone and Crockett Club - Issuu
How to Score North American Big Game: Boone and Crockett Club's Official Measurers Manual by Jack Reneau, Justin Spring, Chris Lacey, eBook
How To Use your Smart Phone Camera to Field Judge Mule Deer – Remi Warren
Here Are 16 New Big Game Animals Entered into the Boone & Crockett Record Books
Big Numbers at Pope & Young Annual Convention - Bowhunter
Ramblings of a Deer Hunter
Hunting the Mulchatna Caribou HerdMy Hunting StoriesHunting Adventures with Roger Morris
Measuring and Scoring Mule and Blacktail Deer - B&C Club Official Guide
Measuring and Scoring Mule and Blacktail Deer - B&C Club Official Guide
Scoring Mule Deer
MDC holds Antler Scoring Open House event Feb. 19 at Jay Henges Shooting Range
Field Judging Mule Deer » Outdoors International