Shamrock, Missouri

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.

• 1890 USGS Mexico quadrangle1:125000, 4 printings
• 1890 USGS Perry quadrangle1:125000
• 1942 USGS Wellsville quadrangle1:62500, 2 printings
• 1948 USGS Quincy quadrangle1:250000, 2 printings
• 1956 USGS Quincy quadrangle1:250000, 3 printings
• 1973 USGS Martinsburg quadrangle1:24000, 2 printings
• 1986 USGS Mexico quadrangle1:100000, 2 printings

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 11 fires within 5 miles of Shamrock between 1994 and 2020, burning about 50 acres in total. 1 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:

• Bachelor
• Williamsburg

Every fire recorded in Callaway County

Regional context, not property-specific evidence. The federal mineral resources record lists 27 workings within 5 miles of Shamrock: 26 past producers, 1 producer. 1 still produces. What was taken out: Fire Clay (Refractory), Stone, Crushed/Broken, Sand and Gravel, Construction, Clay. 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 Callaway County

Regional context, not property-specific evidence. The National Weather Service names Shamrock in 3 storm reports between 1995 and 2009: 1 thunderstorm wind, 1 tornado, 1 flash flood. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.

Every storm recorded in Callaway 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 726263. 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.

Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.