About 12,500 BP* drainage way referred to as the Ubly Outlet was uncovered in southeast Michigan by the retreating ice margin. This outlet carried water northward from the Erie basin. The resultant lake in the Erie basin was named Glacial Lake Whittlesey. Glacial Lake Whittlesey occupied this area for about 500 years as the ice continued to retreat. When additional drainage outlets opened up the lake became what is now Lake St. Clair, The Detroit River and Lake Erie.
The area is characterized by generally quite flat land with occasional post glacial river cuts, sand bars and eskers.
This geocache is one in a series of twelve geocaches on the old lake bed of the last glacial lake in southeast Michigan. All 12 Geocaches are regular size. The cover of each cache holds a code. Record this code for future use. There will be a BONUS CACHE GC73A2G published in the fall in association with a September 30 "Meet and Greet" Geocache Event. The codes will be used to determine the coordinates of the bonus cache.
*BP = Before Present
This cache is located within Lower Huron Metropark, a part of the Huron-Clinton Metropolitan Authority park system. A Metropark Vehicle Entry Permit is required: Annual Permit $35. Senior Permit $21. Daily Permit $10.
For General information please call 810-227-2752 or 800-47-PARKS. Or visit our website at WWW.metroparks.com.
All park rules and regulations apply. Park in parking lots only. Check the Metroparks website for park hours.
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The Geocache Placement Permit Application for this Geocache was approved by Kevin Arnold | Southern District Interpretive Services Supervisor Huron-Clinton Metroparks on 04/22/17