The Trout Lake 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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Trout Lake’s center stands about 830 ft above sea level. Within three miles the land runs from 820 ft to 910 ft, a difference of 90 ft: gently rolling country. The highest named summit within 15 miles is Maple Hill, about 1,060 ft, 12 miles east-southeast.
The section below crosses 10 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 54×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Dolostone. Age: Silurian, 428 to 445 million years old. About 9 mi of the line.
Black-shale. Age: Late Ordovician, 445 to 459 million years old. About 3 mi of the line.
Shale. Age: Silurian, 428 to 445 million years old. About 2 mi of the line.
Shale, limestone. Age: Late Ordovician, 445 to 459 million years old. About 2 mi of the line.
Limestone, dolostone. Age: Late Ordovician, 445 to 459 million years old. About 2 mi of the line.
Shale. Age: Late Ordovician, 445 to 459 million 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. 4 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 Trout Lake reaches Lake Huron by way of Blind Biscuit Creek and the Pine River: about 30 river miles. From there it moves on through the Great Lakes, over Niagara Falls and down the St. Lawrence to the Atlantic.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Trout Lake; river miles along the main stem, rounded.
