FY1935-36: "An antenna was erected on the Coleraine lookout about five miles northeast of Grand Rapids. The station test to this tower proved satisfactory." (Third Biennial Report of the Commission of Conservation)
National Geodetic Survey
DESIGNATION - COLERAINE LOOKOUT TOWER PID - SJ2055 STATE/COUNTY- MN/ITASCA COUNTRY - US USGS QUAD - BOVEY (1969)
DESCRIBED BY COAST AND GEODETIC SURVEY 1934 (CIA) POINT OBSERVED UPON IS THE FINIAL ATOP FIRE TOWER LOCATED 4.5 MILES NORTHEAST OF GRAND RAPIDS AND 1.0 MILE SOUTHWEST OF COLERAINE.
STATION REACHED FROM COLERAINE (JUNCTION U.S. HIGHWAY 169 AND ROOSEVELT AVENUE) BY GOING SOUTH AND SOUTHWEST ON HIGHWAY 169 FOR 1.6 MILES TO TOWER ON RIGHT. TOWER IS ABOUT 250 FEET NORTH OF HIGHWAY 169 AND 150 FEET SOUTH OF NORTH-SOUTH SECTION-LINE ROAD.