The Wabash River

The Wabash River (HM1AEH)

Location: Lagro, IN 46941 Wabash County
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Country: United States of America
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N 40° 49.808', W 85° 42.442'

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Inscription
History of the River
The Wabash Valley drained thousands of square miles of the Wisconsin glacier during the latter part of the Ice Age, acting as the primary sluiceway for unimaginably large amounts of glacial meltwater that would dwarf the modern river modern times over. Vast amounts of glacial outwash composed of coarse sand and gravel were deposited in the sluiceway, eventually filling it from rim to rim. The event most directly responsible for the form and size of the modern valley is the Maumee Torrent, the catastrophic outburst of Glacial Lake Maumee at the close of glaciation, which probably filled the valley from wall to wall with frigid, rushing meltwater. Although it only lasted a few weeks, the Maumee Torrent was so powerful that it stripped away most of the glacial outwash and eroded the valley floor into the Silurian bedrock we see today. As a result, this reach of the Wabash River is an underfit stream - meaning that the river appears much too small to have eroded the massive valley it flows in.

The Wabash River & Glacier Tributaries
outline the position of the Erie Lobe during the last glaciation

1. The Wabash River follows the former axis of the Erie Lobe Glacier
2. Major tributaries occupy margins of the last glacial retreat
3. Post-glacial watershed initially included St. Joseph and St. Mary's Rivers, as shown by the dashed blue line
4. Drainage through the St. Lawrence Seaway and eastern Great Lakes developed and led to the capture of the St. Joseph and St. Mary's by the Maumee River
5. Strategically important "Three Rivers" confluence was formed, later becoming Fort Wayne, establishing the eastern continental drainage divide

Fun Facts
· Called Wah-Bah Shik-Ki by Miami Indians, meaning "water over white stones" due to the limestone river bottom
· 475 miles long
· Longest free-flowing river east of the Mississippi River
· Drains 73 of Indiana's 92 counties
· Home to nearly 400 species of wildlife
· Created by the Maumee Torrent 14,000 years ago
Details
HM NumberHM1AEH
Tags
Placed ByACRES Land Trust
Marker ConditionNo reports yet
Date Added Wednesday, October 22nd, 2014 at 11:26am PDT -07:00
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Locationbig map
UTM (WGS84 Datum)16T E 608992 N 4520704
Decimal Degrees40.83013333, -85.70736667
Degrees and Decimal MinutesN 40° 49.808', W 85° 42.442'
Degrees, Minutes and Seconds40° 49' 48.48" N, 85° 42' 26.52" W
Driving DirectionsGoogle Maps
Area Code(s)765, 260
Closest Postal AddressAt or near 4552 E Hanging Rock Rd, Lagro IN 46941, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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