The deer herds have been hit by CWD all over the state. My friend's cow elk from the southern BigHorns tested Positive. Not sure where region D is offhand. The deer south & east of Casper are dwindling, mule deer especially. The whitetails along the Platte river took a hit from it too. Mulies are in trouble all over the State, not sure if it's due to CWD or habitat loss. You may want to contact Wy,G&F about your concerns.