March 6, 1944: "State Forest Ranger LeRoy Neil today announced forestry crews have begun construction on six miles of new road from the Fischer Oil Lease eight miles north of Coalinga to the top of Black Mountain on San Joaquin Ridge as preliminary to the placing of a fire lookout on Joaquin Rock. Neil said the temporary lookout building will be replaced by a permanent structure after the war. Seventeen men and three large bulldozers are engaged on the project." (The Fresno Bee The Republican)
National Geodetic Survey
DESIGNATION - JUNIPER PID - GU3495 STATE/COUNTY- CA/FRESNO COUNTRY - US USGS QUAD - JOAQUIN ROCKS (1969)
STATION RECOVERY (1958)
THE STATION IS LOCATED ABOUT 11 MILES AIRLINE NORTH AND TWO MILES WEST OF COALINGA, ON THE HIGHEST PART OF BLACK MOUNTAIN.
THE MARK IS A STANDARD U.S. GEOLOGICAL SURVEY BENCH MARK STAMPED JUNIPER 1944 VABM 3642, SET IN THE TOP OF A BURRIED BOULDER PROJECTING ABOUT 14 INCHES, 2-1/2 FEET EAST OF THE NORTHEAST CORNER OF THE CALIFORNIA DIVISION OF FORESTRY BUILDING.