Report for Tree Point (Alaska) - 1910

District: 13th
Inspector: Maj. JF McIndoe, Corps of Engineers, USA
Location: On mainland on E'ly side of S'ly entrance to Revillagigedo Channel & N'ly side of Dixon Entrance
Date of Report: 02/28/1910
Latitude: 54° 48' 08"
Longitude: 130° 56' 02"
Site: Public Land
Date of Reservation: 01/06/1901
Date of Deed:
Date of Permission:
Date of Lease:
Area of the Entire Site: 679 acres
Area Inclosed: None
Character of Soil: Decayed vegetable matter & peat
Distance of tower from Nearest High-Water Mark: 80'
Inclosures to Premises / Type of Fence: None
Wharf or Landing on Premises: Boat landing & incline at bay about 1200' SE'ly from tower.
Road to Land or Wharf Chararacter of and Distance: Tramway of 30 lb steel rails 3' gauge 2500' long extending from tower to landing.
Means to Reach Light Station: By steamer from Seattle, WA or by launch from Ketchikan, Alaska
Distance to Nearest Road: 42 miles from Ketchikan
Distance to Post Office: 42 miles
Distance to Village: 42 miles
Facilities for Public Conveyance: None, except by landing from passing vessels under favorable conditions.
Facilities for Private Conveyance: Launches may be hired in Ketchikan & a steamer plying btwn Ketchikan & Seattle makes monthly calls, distance 42 miles.
Means Used for Support of Lantern: Tower
Number of Separate Lights: 1
First Built or Established: Lens lantern displayed in 1903 - 3rd order light April 30, 1904.
Last Rebuilt, Repaired, or Renovated:
Condition at This Date: Good
Shape of Tower in Plan: Octagonal
Form of Tower: Pyramidal
Height from Base to Ventilator Ball: 63' 4"
Height of Focal Plane Above Mean High Water: 86' 6"
Background of Lighthouse as Seen from Sea: Dark timber & distant hills
Color of Tower: White
Color of Tower/ How Produced: Paint
Tower Connection: Tower rises from center of fog signal bldg.
Object of Navigation: For general navigating being a point of departure for vessels entering or leaving Revillagigedo Channel
Building Materials: Wood, shingled
General Description:
Wall Thickness at Base: 10"
Wall Thickness at Parapet: 8"
Diameter at Base: 9' 6"
Diameter at Parapet: 9' 6"
Kind of Stairway and Steps: Wooden stairway from base to lantern
Number of Landings: 3
Size of Glass: 16" x 18" (16 x 18 & 16 x 20 storm sash)
Number of Windows and Size of Sash: 4 - 20" x 22" (20 x 24 storm sash)
Number of Doors: 3
Kind of Foundation and Depth Below Surface: Rock, 5' deep
Character of Soil Surrounding the Lighthouse: Decayed vegetable matter overlying rock, loamy in places.
Soil Susceptibility: Trees, shrubbery & hand plants grown nearby
Miscellaneous Remarks: At rear of tower E'ly a knoll rises to height of tower at distance of about 80'.
Lantern and Fixtures
Order of Lantern: 3rd
Shape of Lantern: Polygonal
Diameter to Glass: 8' 3"
Diameter in the Clear: 7' 7"
Number of Sides: 10
Type of Bars: Vertical
Thickness of Bars:
Height Glazed: 5' 9"
Number of Plates in Height: 1 on cast iron parapet 3' high
Number of Plates Each Side: 1, 1 small plate over door.
Thickness of Plates: 7/16"
Size of Plates: 9 plates; 2' 7.5" x 5' 8.5"; 1 plate in door 2' 3.5" x 2' 9.5" (1 plate over door 2' 7.5" x 2' 9.5"
Number of Storm Panes: 4
Unglazed Side of Lantern: Glazed all around
What Bearings:
Construction Material Lantern: Cast iron bronze & glass, sheet iron lining.
Construction Material Roof / Cowl: Cast iron with zinc lining.
Ventilator / Cowl: Cast iron with ventilating openings around base.
Lightning Spindle: Brass with platinum tip, screwed into ball on dome.
Description of Lightning Rod: None
Balustrade: Wooden balcony rails around lantern gallery, floor covered with copper.
Lantern Doors: 1 hung on 3 hinges & closing against 1/4" x 1/4" rubber strip, door bolted top & bottom.
Floor of Lantern: Wood
Watchroom Doors: Door from air lock to lantern ordinary paneled door with usual hinges & lock.
Parapet Diameter: 7' 7 3/4"
Location / Number: 5 in parapet of lantern circular discs of bronze, opening 4.5" dia. with bronze grating over air inlet at base of parapet.
Ladders / Cleaning Arrangement: None except portable wood ladders.
Curtain Hooks / Hanger: Curtains hung on Hartshorn spring rollers.

How is Watchroom Fitted: No fittings in watchroom which is simply a landing on stairs, a lamproom is fitted up off 1st landing, an office in Fog signal bldg at base of tower.
How is Relief Called: Holtzer Cabot automatic telephones, 1 in fog signal bldg, 1 in each dwelling
Where is Call System Led: Wires carried on poles with cross arms to dwellings.
Illuminating Apparatus
Kind of Apparatus:
Intensity in Candles:
Name of Maker: Henry LePaute, Paris
Year Made: 1903
Marks and Number: Societe des Establisements Henry LePaute, Paris
Order of Apparatus: 3rd
Inside Diameter: 3' 3 5/16"
Light Characteristic: Fixed white with red sector.
Time of Revolution:
Flash Interval:
Duration of Flash:
Arc of Each Fixed Part: Fixed arc is 216 degrees, the reflecting panels 144 degrees
Number of Panels: 5, 2 of which are reflectors
Number of Flash Panels:
Arc of Each:
Number of Elements in Central Drum: 13
Number of Prisms Above Center Drum: 11
Number of Prisms Below Center Drum: 6
Does Apparatus Revolve?: False
Is There a Revolving Belt?: False
Revolving Panels:
How Flash is Produced:
Number of Vertical Elements Panel:
Fixed Lens Covered:
Pedestal: Std. pattern with 4 columns of brass with cast iron base for lens & cast iron ring at floor.
Service Table: Bench in lamproom on 1st landing is used as service table.
Draft Tube Description: Copper 6" dia. fitted with damper, carried over spider at top of lens which supports connecting tube, damper tube is 17 1/4" long, 3" dia. of Russia Iron.
Revolving Machinery:
Standby and Description:
Chariot Float or Balls:
Chariot Description:
Length of Drop Tube:
Clock Weight:
Length of Winding Time:
Drive During Rewind:
Machinery Protection:
Lens Protection:
How Color is Produced: Red sector of ruby glass attached to lantern
Red Sectors Description: 315 degrees 30' & 326 degrees 30' covering & extending 1/2 mile W'd of Cond Rock.
Where Color Attached: Attached to lantern in form of vertical panel 10" wide.
Form of Colored Glass: Vertical panel 10" wide.
Lamp Description: 3 wick air process
Type of Illuminant:
Number of Spare Lamps: 1 complete
Number of Spare Burners: 2
Candle Power:

Vapor Oil Lamp
Number of Wicks or Mantels: 3 wicks
Diameter of Outside Wick: 2 11/16"
Diameter of Mantel:
Diameter of Circum Circle:
Closets and Store Rooms
Tower Closet Use: 2 closets with lockers overhead in vestibule in Fog signal bldg, 2 lockers in office or workroom all fitted with hooks & shelves & used for storage of cleaning utensils & supplies.
Oil House Description: 70' & 120' E'ly from tower, no fittings.
Oil House Inside Dimension: 8' x 11' 4"
Oil House Construction Material: Cement iron & wood
Oil House Capacity: 3240 gal each
Other (Describe): 2 closets in vestibule, 2 closets in workroom, 1 locker in lamproom with shelves overhead
Suitability: Dry & suitable
Fog Signal General
Fog Signal Kind: 1st class 6" new style automatic siren
Time to Start: 15 minutes
How Long Will Pressure Last: No storage
Manufacturer: Sirens made at Thompkinsville
Year of Manufacture: 1903
Characteristic: 3 sec blast, 27 sec silent
Duplication: All parts except air receiver
Timing Device: Crosby automatic signal in duplicate
If whistle, siren, or trumpet, Pressure at Which Blown: 45 lbs
Height Above Water: 34' 6"
Compass Direction: 237 degrees 20'
Location: Marking entrance to Revillagigedo Channel
Distance and Direction: In bldg connected with lighthouse
Water Supply: Contained in cistern & piped to engines
Reached from Lighthouse: Water supply comes from small stream where a reservoir is formed about 2600' from lighthouse.
Description of Fog Signal Building: Octagonal frame structure, 1 story in height & surrounds light tower, bldg is on concrete foundation with concrete floor.
Pressure And Recording Gauge:
Siren Signal
Siren: Cylindrical
Siren Diameter: 6"
Siren Built Date: 1903
Siren Manufacturer: 3rd Dist. Thompkinsville
Siren Ports: 20 - 3/32" x 2 3/4"
Siren Revolutions:
Siren Governor: Sectional ring
Siren Condition: Good

Compressed Air
Compressed Air Machinery:
Kind: Oil engine
Manufacturer: DeLaVergne Mch Co.
Date Made: 1903
Nominal Size: 11" x 15"
Horsepower: Each 13
Compressor: Double acting high device
Compressor Manufacturer: Herron & Bury
Compressor Bed and Gear: On same bed & geared to engine in each unit.

Trumpet Signal
Trumpet Length: 7'
Trumpet Diameter: 6.5" & 2' 1"
Trumpet Material: Copper
Location: About 600' NE'ly from tower & cannot be seen from seaward
Coloring: White with brown roof
Construction Materials: Wood with concrete basements & shingle roofs.
Number of Rooms: 6 living rooms, bathroom & 5 storerooms.
Number of Dwellings:
Heating Plant:
Number of Keepers: 1
Furnished Quarters:
NOT Furnished Quarters:
Outhouses: Barn, 16 x 30 with shop & 3 stalls with hay left over
Outhouse Coloring: White with brown roof
Paths and Walks: Gravelled walks around dwelling & to tramway
Area Inclosed: Not inclosed, though clearing is surrounded by brush & heavy timber.
Area of Garden: About 5000 sq. ft. cultivated; abt 2 acres cleared
Area Timber or Shrubbery: About 400 acres
Cultivation Area Available: About 2 acres cleared other isolated areas may be found throughout reservation, but cultivation would not be profitable.
Area Cultivated: 2 acres
Character of Surroundings: Decayed vegetation & peat overlying rock, considerable areas are swampy & greater portion is timbered in spruce, scrub pine & cedar.
Stove, Maker:
Stove, Size:
Sink, Maker:
Sink, Size:
Pump, Maker:
Pump, Size:
How Procured: Obtained from small creek & piped by gravity
Quality: Fair, good in spring during heavy rains
Quantity: Supply short in dry weather or in extreme cold
Injury Possible: No
Purity Precaution:
Tank Capacity:
Tank Material:
Distilling Apparatus: False
Distilling Manufacturer:
Well Description:
Well Diameter:
Well Lining:
Pump or Bucket:
What Power Used:
Distance from Dwelling: Reservoir is abt 1800' distant
General Opinion: Good
Diseases: Rheumatism
Prevalency: Winter
Local Causes: No
Recommended Improvements: No
Access to Lighthouse: Landing is made in a small bay about 1800' E'ly from tower. Tramway of 30 lb rails 3' gauge with plank walk in center connects boat landing with bldgs. Landing can be made at any stage of tide in moderate weather.
Distance and Direction: 2500' following tramway which runs in a N'ly & thence E'ly direction.
Miscellaneous Remarks: Station is generally in excellent condition, but add'l storage should be provided for water system. New reservoir to be filled when water is pure & clear. Gravel paths around dwelling should be replaced by concrete footwalks.
Hoisting Engines
Hoisting Engine Kind: Mietz & Weiss 6 HO horizontal oil engine
Engine RPMs: 360
Engine Diameter:
Engine Stroke:
Engine Boiler:
Engine Maker and Date:
Serial Number:
Cylinders and Size:
Horsepower: 6
Fuel: Oil
Hoist Starter:
Hoist Miscellaneous: