TY - RPRT TI - Diseases of whooping cranes seen during annual migration of the Rocky Mountain flock AU - S. Bret Snyder AU - Michael J. Richard AU - Roderick C. Drewien AU - Nancy J. Thomas AU - John P. Thilsted PY - 1991 UR - https://pubs.usgs.gov/publication/70190389 ID - 70190389 ER -