Portlock, Hawaii

Buildings and businesses the archive holds for this place. Each opens its own page, with the source record it came from.

On the National Register within a mile 2 records

The National Register names another town for these. They stand within one mile of this settlement's coordinate.

• J.B. Guard Houselisted 2015 · 0.1 miles away
• Henry J. and Alyce Kaiser Estatelisted 2019 · 0.6 miles away

Matched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.

• 1952 USGS Koko Head quadrangle1:24000
• 1954 USGS Oahu quadrangle1:250000
• 1959 USGS Koko Head quadrangle1:24000
• 1961 USGS Oahu quadrangle1:250000
• 1965 USGS Oahu quadrangle1:250000, 2 printings
• 1969 USGS Koko Head quadrangle1:24000
• 1970 USGS Oahu quadrangle1:250000, 2 printings
• 1978 USGS Koko Head quadrangle1:24000
• 1983 USGS Koko Head quadrangle1:24000
• 1999 USGS Koko Head quadrangle1:24000

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 283 fires within 5 miles of Portlock between 2001 and 2013, burning about 776 acres in total. None 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.

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

Settlements close enough to share some of these fires:

• Hawaiʻi Kai
• Kuliʻouʻou
• Waimānalo Beach
• Niu
• Wailupe
• ʻĀina Haina

Every fire recorded in Honolulu County

Regional context, not property-specific evidence. The federal mineral resources record lists 1 working within 5 miles of Portlock: 1 past producer. None of them still produces. What was taken out: Calcium. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Every working recorded in Honolulu County

The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.

This settlement is recorded in the Geographic Names Information System as feature 363428. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.

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.