Mark B Robbins
6 May 2006
- Cimarron National Grasslands, ca. 4 mi. NW Elkhart
No locations found with lat/long
- SONY TC-D5 PRO II
- Sennheiser ME 67
NOTES: > 80 displaying Cassin's Sparrows where seen/heard south of the Cimarron River
LNS: 100Hz hi-pass filter applied during digitization process.