Nielsen Library:
tif801
Nielsen Library:
Portal T House Looking West
Nielsen Library:
tif802
Nielsen Library:
Petaca Rock
Nielsen Library:
Top Rock on east side of Petaca Canyon
Nielsen Library:
Top
Nielsen Library:
tif794
Nielsen Library:
Rock Smith of Petaca
Nielsen Library:
Petaca Rock
Nielsen Library:
tif793
Nielsen Library:
tif792
Nielsen Library:
Petaca Rock
Nielsen Library:
tif790
Nielsen Library:
tif789
Nielsen Library:
Petroglyphs above Pilar NM
Nielsen Library:
Guiqui
Nielsen Library:
El Guiqui
Nielsen Library:
tif782
Nielsen Library:
Guiqui 1971
Nielsen Library:
tif781
Nielsen Library:
Geese Canada
Nielsen Library:
Petroglyphs at Montrose