The Dude's Map of Yellowstone National Park

Front:
AKiHELLROARING GARDINER 1158 ELECTRIC PEAK MAMMOTH TERRACE TO TO COOKE GOLDEN GATE BISON PK, CALLATIN RANGE ES OBSERVATION PARK ABSAROKA RANGE FOSSIL POREST DUNRAVEN PARK MONTANA WYOMING GRIZZLY LAKE NORRIS DUNRAVEN JUNCTION PASS GRAND CANYON DEATH GULCH CENTRAL PLATEAU CANYON JUNCTION MADISON JUNCTION TO WEST YELLOWS TONE PELTCAN CONE FISHING BRIDCE LAKE LOWER GEYSER BASIN TURBID LAKE CIANT CASTLE OLD FAITHFUL TO CODY YELLOW STONE LAKE BRIMSTONE BASIN MADISON PLATEAU UPPER GEYSER BASIN MT. LANGFORD HOT SNOSHONE LAKE SPRI NGS LEWIS LAKE TABLE MT. HEART LAKE PITCHSTONE PLATEAU YELLOW STONE R. SNAKE RIVER TO JACKSON HOLE A MAP OF A DUDE'S YELLO WSTONE NATIONAL PARK 2C-H47 YELLOW STON RIVER

Back:
C. T. ART-COLORTONE, SANBORN SOUVENIR CO., DENVER, COLO.