ABOUT 1950, AS TO "POWDER RIVER."
ABOUT 1950, AS TO "POWDER RIVER."
ABOUT 1950, AS TO "POWDER RIVER."
ABOUT 1950, AS TO "POWDER RIVER."
ABOUT 1950, AS TO "POWDER RIVER."
ABOUT 1950, AS TO "POWDER RIVER."
ABOUT 1950, AS TO "POWDER RIVER."
ABOUT 1950, AS TO "POWDER RIVER."
THE DRAWING IS LINED FOR THE COLOR GREEN.