1930's: 45-foot pole tower with an L-4 cab. (Kresek)
1953: 41-foot treated timber tower with an L-4 cab. (Kresek)
July 9, 1980: "Mr. and Mrs. Lyn Catherman of Slate Creek were out to the services from Chair Point Lookout, where Lyn is doing some repair work on the lookout. They went back in on Monday morning. Chris Cooper will be stationed at Chair Point." (The Record)
1980: 41-foot treated timber tower with a R-6 cab. (Kresek)
September 2015: The tower and associated buildings were wrapped in protective foil in advance of the Teepee Springs fire.
National Geodetic Survey
DESIGNATION - CHAIR POINT PID - RA1290 STATE/COUNTY- ID/IDAHO COUNTRY - US USGS QUAD - RIGGINS HOT SPRINGS (1995)
DESCRIBED BY COAST AND GEODETIC SURVEY 1945 (CAG) STATION IS LOCATED ON THE SUMMIT OF A PROMINENT HILL OCCUPIED BY THE CHAIR POINT FOREST SERVICE LOOKOUT TOWER. IT IS ABOUT 4.5 MILES NE OF RIGGINS, ABOUT 3.5 MILES NW OF RIGGINS HOT SPRINGS, 20 FEET W OF A CELLAR, AND 13 FEET NE OF THE NE LEG OF THE LOOKOUT TOWER.
TO REACH FROM RIGGINS, CROSS THE SWINGING BRIDGE OVER THE SNAKE RIVER AND FOLLOW THE SWITCH-BACK TRAIL UP THE STEEP SLOPE FOR ABOUT 3.0 MILES TO THE SUMMIT OF THE RIDGE. FROM HERE FOLLOW THE RIDGE N AND E FOR 8.0 MILES TO THE SUMMIT AND THE STATION. AT THE TIME THE OBSERVING PARTY OCCUPIED THIS STATION THERE WERE NO TURN-OFFS ON THIS TRAIL. ABOUT A 4-HOUR HORSE PACK.