Michael Polk:
CREX 1209 @ Oklahoma City, OK
Michael Polk:
BNSF 6757 @ Vertigris, OK
Michael Polk:
BNSF 7969 @ Claremore, OK
Michael Polk:
Drillin'
Michael Polk:
OKC Reflections
Michael Polk:
KCS 2828 @ Howe, OK
Michael Polk:
BNSF 9494 @ Oklahoma City, OK