Bill Walker:
Snow at Grant Ranch
Bill Walker:
Snow at Grant Ranch
Bill Walker:
Snow at Grant Ranch
Bill Walker:
Snow at Grant Ranch
Bill Walker:
Snow above Grant Ranch
Bill Walker:
Mount Hamilton Road closed
Bill Walker:
Bill at Grant Ranch
Bill Walker:
Hermit Thrush
Bill Walker:
Western Bluebird
Bill Walker:
Western Bluebird
Bill Walker:
Lick Observatory