Aircraft Warning Service Observation Tower

Built in 1941. Listed on the National Register of Historic Places in 1993.

From the record

“The Aircraft Warning Service Observation Tower in Agnew, Washington was built in 1941 as a spotting station for Aircraft Warning Service volunteers watching for intruding Japanese airplanes during World War II. The tower's original site was near Dungeness, but in 1992 the tower was moved to its present location.”
Wikipedia article Aircraft Warning Service Observation Tower, CC BY-SA 4.0.

One of 43 National Register listings published here for Clallam County · listed in 1993 · category: Structure · built in 1941.

Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

The listing

What is counted as historic. The nomination lists 1 structure as contributing to the listing.
Address. 216 Spring Rd., Agnew, 98362
When was it listed? April 1993
Category. structure
Census division. Agnew-Carlsborg
When was it built? 1941
National Register reference number. 93000363 - the number the National Park Service assigned this property when it was listed, and the key its nomination file is catalogued under at the National Archives.

Fires near this property

38 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 38 fires within 5 miles of Aircraft Warning Service Observation Tower between 1992 and 2019, burning about 64 acres in total. 3 started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.

Reported cause	Fires
Debris and open burning	11
Recreation and ceremony	10
Missing data/not specified/undetermined	9
Natural	3
Other causes	2
Equipment and vehicle use	1
Smoking	1
Fireworks	1

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

Date	Cause	Size	Reported by	Name on the report
4 September 2001	Other causes	under an acre	Washington State Department of Natural Resources Headquarters	not named
3 September 2017	Recreation and ceremony	under an acre	Washington State Department of Natural Resources Headquarters	RIVERVIEW
3 September 1997	Debris and open burning	48 acres	Washington State Department of Natural Resources Headquarters	not named
25 September 1999	Recreation and ceremony	under an acre	Washington State Department of Natural Resources Headquarters	not named
17 September 2008	Missing data/not specified/undetermined	under an acre	Washington State Department of Natural Resources Headquarters	TOAD ROAD #2
16 September 2001	Recreation and ceremony	under an acre	Washington State Department of Natural Resources Headquarters	not named
16 September 1998	Debris and open burning	2.0 acres	Washington State Department of Natural Resources Headquarters	not named
14 September 2008	Missing data/not specified/undetermined	under an acre	Washington State Department of Natural Resources Headquarters	TOAD ROAD

Every fire recorded in Clallam County

Mines and quarries near this property

10 of 15 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 15 workings within 5 miles of Aircraft Warning Service Observation Tower: 13 past producers, 1 occurrence, 1 producer. 1 still produces. What was taken out: Sand and Gravel, Construction, Stone, Clay, Iron. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Site	Commodity	Status
Rains Pit	Stone	Past Producer
Swamp Creek	Clay, Iron	Occurrence
Blake Pit and Plant	Sand and Gravel, Construction	Past Producer
Christie Pit	Sand and Gravel, Construction	Past Producer
Clallam County	Sand and Gravel, Construction	Past Producer
Gravel Pit	Sand and Gravel, Construction	Past Producer
Jim West Pit	Sand and Gravel, Construction	Past Producer
Lindsay Pit	Sand and Gravel, Construction	Past Producer
Lotzgazelle Pit	Sand and Gravel, Construction	Past Producer
Round Mountain Pit	Sand and Gravel, Construction	Past Producer

Every working recorded in Clallam County

Map coverage status

No historic map-sheet match is published for this property yet. That does not mean no map exists. This record needs a coordinate-quality review before it can be joined to a sheet boundary. Browse the county's mapped places while that work is pending.

Listed places nearby

6 within 8 miles

Other National Register properties close enough to walk or drive between, ordered by distance from this one. Both positions come from the same geocoding pass that matched these properties to their map sheets.

Property	Distance	Listed
Emery Farmstead	2.4 miles	1988
Blue Mountain School	3.8 miles	1987
Dungeness River Bridge	4.9 miles	1982
McAlmond House	6.2 miles	1976
Dungeness School	6.3 miles	1988
Sequim Opera House	7.1 miles	1991

Sources for this property

National Archives record	The nomination case file for reference 93000363 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Clallam County	All 43 listed properties in this county.

Provenance

Listing record. National Park Service National Register of Historic Places, listed-properties dataset, current to 2026-05-22.
Map join. Address geocoded through the United States Census geocoder, then tested against the published boundary of every sheet in the USGS Historical Topographic Map Collection.
How this page is made. Listing fields come from federal records; map-sheet coverage is a labelled coordinate-to-boundary calculation, not a source-field claim.
Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.