The Mine Hill plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
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76° on Nov. 16, 1993, the hottest reading for this week of the year since 1893. Next is 74° in 1927.
Mine Hill’s center stands about 880 ft above sea level. Within three miles the land runs from 570 ft to 1,110 ft, a difference of 540 ft: hilly country. The highest named summit within 15 miles is Bowling Green Mountain, about 1,420 ft, 9 miles north-northeast.
Under the town center the state geologic map shows Microperthite Alaskite (granite), from the Mesoproterozoic, 1 to 1.6 billion years old.
The section below crosses 13 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 18×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Granite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 5 mi of the line.
Age: Mesoproterozoic, 1 to 1.6 billion years old. About 4 mi of the line.
Sandstone, siltstone, mudstone. Age: Early Jurassic, 175 to 202 million years old. About 4 mi of the line.
Dolostone. Age: Early Cambrian to Middle Cambrian, 497 to 542 million years old. About 2 mi of the line.
Granite. Age: Mesoproterozoic, 1.1 to 1.1 billion years old. About 2 mi of the line.
Gneiss. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 2 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 7 smaller units along the line are not listed.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.
A raindrop that lands in Mine Hill reaches New York Harbor and the Atlantic Ocean by way of the Lamington and the Raritan: about 65 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Mine Hill; river miles along the main stem, rounded.
Mine Hill has a hot-summer humid continental climate. Summer afternoons average 83° in July; winter nights fall to about 19° in January. About 52 inches of rain fall in a normal year.
On November 14 Mine Hill normally reaches 52° and falls to 32°. The record high is 71°, in 1902; the record low 10°, in 1905. The most rain on this date, 1.37 in, fell in 1935.
Normals 1991–2020 and records since 1893 at Charlotteburg Reservoir, 14 miles northeast, 100 ft lower. NOAA, through RCC-ACIS.
