David A. Riggs:
IMAG0321
David A. Riggs:
IMAG0322
David A. Riggs:
IMAG0324
David A. Riggs:
IMAG0325
David A. Riggs:
IMAG0327
David A. Riggs:
IMAG0330
David A. Riggs:
IMAG0331
David A. Riggs:
IMAG0332
David A. Riggs:
IMAG0333
David A. Riggs:
IMAG0335
David A. Riggs:
IMAG0336
David A. Riggs:
Deploying bat detectors
David A. Riggs:
Deploying bat detectors
David A. Riggs:
Deploying bat detectors
David A. Riggs:
IMAG0347
David A. Riggs:
Deploying bat detectors
David A. Riggs:
Pallid Bat
David A. Riggs:
Pallid Bat
David A. Riggs:
Pallid Bat
David A. Riggs:
WNS sign
David A. Riggs:
WNS sign
David A. Riggs:
Big Nasty Trail
David A. Riggs:
Mammoth Crater sign
David A. Riggs:
IMAG0363
David A. Riggs:
USGS monitoring station
David A. Riggs:
USGS monitoring station
David A. Riggs:
IMAG0367
David A. Riggs:
IMAG0369
David A. Riggs:
IMAG0371
David A. Riggs:
IMAG0373
