The largest man-made crater in the United States is twelve miles southwest of what lake?
Sedan (nuclear test) Storax Sedan was a shallow underground nuclear test conducted in Area 10 of Yucca Flat at the Nevada National Security Site on July 6, 1962 as part of Operation Plowshare, a program to investigate the use of nuclear weapons for mining, cratering, and other civilian purposes. The radioactive fallout from the test contaminated more US residents than any other nuclear test. The Sedan Crater is the largest man-made crater in the United States, and is listed on the National Register of Historic Places.
Lake Winnebago Lake Winnebago is a freshwater lake in the north central United States, located in east central Wisconsin. At 137700 acre it is the largest lake entirely within the state, covering an area of about 30 by , with 88 mi of shoreline, an average depth of 15.5 ft , and a maximum depth of 21 ft . It has many shallow reefs along the west shore, and a drop-off type shoreline on the east. There are several islands along the west shore.