TEXAS: Val Verde Co; on US 90, W of Langtry - June 2020
TEXAS: Val Verde Co; on US 90, W of Langtry - May 2020
ARIZONA: Greenlee Co; Gila River near Clifton - May 2018
TEXAS: Kinney Co; Fort Clark Springs - October 2016
TEXAS: Presidio Co; Dalquest Desert Research Station - neonate - June 2016
TEXAS: Presidio Co; River Road - July 1996 (scan from slide)