Report for American Shoal (Florida) - 1909

District: 7th
Inspector: H Jervey, Corps Eng., revised by W C Dibrill
Location: In 5 ft of water on American Shoal, one of the outer line of reefs off the coast of Fla. & within 1/4 mile of deep water of the straits of Fla. 20 miles ENE from Sand Key Lighthouse
Date of Report: 03/24/1909
Latitude: 24° 31'30"
Longitude: 81° 31' 10"
Site: Submarine
Date of Reservation:
Date of Deed:
Date of Permission:
Date of Lease:
Area of the Entire Site: 3.999 acres
Area Inclosed:
Character of Soil:
Distance of tower from Nearest High-Water Mark:
Inclosures to Premises / Type of Fence:
Wharf or Landing on Premises: Ladders only
Road to Land or Wharf Chararacter of and Distance:
Means to Reach Light Station: By boat from Key West Fla., 19 miles
Distance to Nearest Road:
Distance to Post Office: Key West Fla, 19 miles
Distance to Village:
Facilities for Public Conveyance:
Facilities for Private Conveyance:
Means Used for Support of Lantern: Skeleton Iron Tower
Number of Separate Lights: One
First Built or Established: 1880
Last Rebuilt, Repaired, or Renovated: Last scaled and painted in 1909. Minor repairs March 1911
Condition at This Date:
Shape of Tower in Plan:
Form of Tower:
Height from Base to Ventilator Ball:
Height of Focal Plane Above Mean High Water: 109'
Background of Lighthouse as Seen from Sea: Sky and tropical growth on Florida Keys
Color of Tower: Dark Brown inclosing brown dwelling and white stair cylinder. Black lantern
Color of Tower/ How Produced: Painting
Tower Connection: Dwelling in tower
Object of Navigation: Primary seacoast
Building Materials: Iron
General Description:
Wall Thickness at Base:
Wall Thickness at Parapet:
Diameter at Base:
Diameter at Parapet:
Kind of Stairway and Steps: Spiral iron stairway and steps inclosed in iron cylinder
Number of Landings:
Size of Glass: 8" x 10"
Number of Windows and Size of Sash: 3 in stair cylinder, 19' 1/4" x 4'4 7/8", 8" service room 19 1/2" x 2 " 10 3/4"
Number of Doors: 1
Kind of Foundation and Depth Below Surface: Octagonal skeleton iron tower on 9 piles driven 10 feet into coral rock
Character of Soil Surrounding the Lighthouse:
Soil Susceptibility:
Miscellaneous Remarks: Cession of jurisdiction of State of FL. June 6, 187?
Lantern and Fixtures
Order of Lantern: 1st
Shape of Lantern: Cylindrical
Diameter to Glass: 12'- 1 1/2"
Diameter in the Clear:
Number of Sides:
Type of Bars: Vertical staggered
Thickness of Bars:
Height Glazed: 9' 9"
Number of Plates in Height: 3
Number of Plates Each Side: 16 in each horizonal section 48 in all
Thickness of Plates: 5/16"
Size of Plates: 27 1/2"x3 1/2";dox39 3/8";dox 45 1/2" curved
Number of Storm Panes:
Unglazed Side of Lantern:
What Bearings:
Construction Material Lantern: Iron
Construction Material Roof / Cowl: Copper
Ventilator / Cowl: Copper
Lightning Spindle: On ventilator ball
Description of Lightning Rod:
Balustrade: Brass
Lantern Doors: None
Floor of Lantern: Cast iron
Watchroom Doors: Spiral steps
Parapet Diameter:
Location / Number: Lower part of lantern
Ladders / Cleaning Arrangement: Has (?)
Curtain Hooks / Hanger: Has (?)

How is Watchroom Fitted: Table
How is Relief Called: Bell wires
Where is Call System Led: To bottom of stair cylinder
Illuminating Apparatus
Kind of Apparatus: 4 1/4 hours
Intensity in Candles: White 250,000 red 64,000
Name of Maker: Henry LePaute
Year Made: 1874
Marks and Number: HL 305 for de Pointe- Reyes
Order of Apparatus: 1st
Inside Diameter: 6' - 00 1/2"
Light Characteristic:
Time of Revolution: 2 minutes
Flash Interval:
Duration of Flash:
Arc of Each Fixed Part:
Number of Panels: 24
Number of Flash Panels: 24
Arc of Each: 15
Number of Elements in Central Drum: 17
Number of Prisms Above Center Drum: 18
Number of Prisms Below Center Drum: 8
Does Apparatus Revolve?: True
Is There a Revolving Belt?: False
Revolving Panels:
How Flash is Produced:
Number of Vertical Elements Panel:
Fixed Lens Covered:
Pedestal: Clock case forms pedestal
Service Table:
Draft Tube Description:
Revolving Machinery:
Standby and Description:
Chariot Float or Balls: Balls, brass cage ring
Chariot Description:
Length of Drop Tube:
Clock Weight:
Length of Winding Time: 4 1/4 hours
Drive During Rewind:
Machinery Protection: Glass case
Regulated: Fan governor
Lens Protection:
How Color is Produced:
Red Sectors Description: 68 degrees to 90 degrees; 115 degrees to 130 degrees; 242 degrees to 263 degrees. Red panes secured to inside of lantern
Where Color Attached:
Form of Colored Glass:
Lamp Description: Type B - single tank system 3rd order
Type of Illuminant:
Number of Spare Lamps: One spare I.O.V. 2 spare wick lamps
Number of Spare Burners: 3 spare wick burners
Candle Power: White flashes 250,000, red flashes 64,000

Clock Cord Description
Revolving Cord:
Size of Clock Cord:
Length of Clock Cord:
How Led: Down thru&under clock base, at right angles under watch room floor, at right angles down to weitht and returns to top of sheave boxed outside of newel post 5' long
Diameter and Length of Clock Drum:

Chariot Balls
Balls Description: V grooves
Cage to Separate Balls: False
Number of Balls: 39
Diameter of Balls: 1 1/2"

Vapor Oil Lamp
Number of Wicks or Mantels: 1 mantel
Diameter of Outside Wick:
Diameter of Mantel: 55 mm
Diameter of Circum Circle:
Closets and Store Rooms
Tower Closet Use: 2 in service room
Oil House Description: Suspended under dwelling
Oil House Inside Dimension:
Oil House Construction Material: Wood-Steel tanks to be substitued for wooden rooms
Oil House Capacity:
Other (Describe):
Location: Octagonal two story located in tower
Coloring: Brown
Construction Materials: Iron Ceiled with wood
Number of Rooms: 8
Number of Dwellings:
Heating Plant:
Number of Keepers: One Keeper and 2 Assts
Furnished Quarters:
NOT Furnished Quarters:
Outhouse Coloring:
Paths and Walks:
Area Inclosed:
Area of Garden:
Area Timber or Shrubbery:
Cultivation Area Available:
Area Cultivated:
Character of Surroundings:
Stove, Maker: Standard Oil Co.
Stove, Size: 3 wick "Perfection"
Sink, Maker:
Sink, Size:
Pump, Maker:
Pump, Size:
How Procured: Rain
Quality: Good
Quantity: Fair
Injury Possible: Not liable to be injured
Purity Precaution: Covered to prevent impurities from entering
Tank Capacity: 2 5000 gallons each (under dwelling)
Tank Material: Cypress
Distilling Apparatus: False
Distilling Manufacturer:
Well Description:
Well Diameter:
Well Lining:
Pump or Bucket:
What Power Used:
Distance from Dwelling:
General Opinion: Good
Local Causes: No
Recommended Improvements: No
Access to Lighthouse: Ladder only
Distance and Direction:
Miscellaneous Remarks:
Boat #1
Boat Number: 5
Type: Sail boat (rd btm sloop)
Length: 8'
Width: 21'
When Built: June 1899
Date Harbored at Station: March 1912
Sails: True
Suited to Work: Yes
Boat #2
Boat Number: 5
Type: Rd btm dingy
Length: 4 1/2'
Width: 12 1/2'
When Built: Jan 1906
Date Harbored at Station: Feb 1906
Sails: True
Suited to Work: Yes

General Information: One sailboat; one dingy
Boats on Station: Hoisted to davits