Clearcutting for the rebuilding of Chicago after the great Chicago Fire. I believe this makes the Silver Lake Sand Dunes the largest Manmade Disaster protected by environmentalists.
Silver Lake Sand Dunes and Sleeping Bear Dunes
There are only two sand dunes in Michigan. The two sand dunes are Sleeping Bear Dunes and Sliver lake sand dunes.
Sleeping Bear Dunes National Lakeshore is located in Northwestern Lower Michigan along the eastern shoreline of Lake Michigan. The closest city is Traverse City, 25 miles to the east. See link below.
Yes there are sand dunes in Illinois along Lake Michigan in several places.
Wind and waves form sand dunes on the beach
1 sand dunes 2 the lake its that simple
barchan dunes
Large piles of sand are called dunes.
weathering
barchan dunes
Wind erosion and deposition may form sand dunes and loess deposits. When the wind strikes an obstacle, the result is usually a sand dune!
Sand dunes that are at right angles to the wind are called Transverse Dunes. They form with weak winds and an abundant supply of sand.