1995-2002 Shrub Mud Volcano
Rosenkrans D and Rosenkrans DS. 2002. 1995-2002 Shrub Mud Volcano
Aerial surveys conducted from 1987 through 2001 (none in 1998) throughout the year to gather data on a multitude of factors concerning the Chisana caribou herd including (but not limited to) composition, density, sex, age, number of bulls by antler class, capture method, drugs, response to drugs, vital stats, physiological data, activity, habitat preferences, group size, live body condition, and carcass descriptions.