Sea Cave - Presque Isle Pt.
Presque Isle, Marquette County, Michigan, USA
The largest sea cave (of two) located on Presque Isle Pt., Marquette, Michigan. Magnetite, hematite, pecoraite, galena, wurtzite, sphalerite, pyrrhotite, pyrite, bornite, and cubanite can be found on Presque Isle at various locations. Photo taken winter of 2009. Height represented in photo is approximately 25 ft.
© Matt Heilman