Moscelyne Larkin

Historical marker location:

103 North Main Street, Miami, Oklahoma

( Marker is on Main Street (Route 66) (U.S. 69) south of 2nd Avenue NW, on the right when traveling south.)

Oklahoma is home to the largest ancient meteorite impact site in the United States. The impact crater, which is located in northeastern Oklahoma, is estimated to be about 300 million years old.