What is a Tugboat?

Historical marker location:

Coos Bay, Oregon

( Marker is on Oregon Coast Highway (U.S. 101) north of Central Avenue, on the right when traveling north.)

Crater Lake, located in southern Oregon, is the deepest lake in the United States and one of the deepest in the world. It was formed over 7,000 years ago when Mount Mazama erupted and collapsed, creating a caldera that filled with water.