Drill core

A piece of drill core used by E. J. Longyear near Mesabi station, ca. 1890. The piece measures approximately two and a half inches long and about one and an eighth inches in diameter.

Description

A piece of drill core used by E. J. Longyear near Mesabi station, ca. 1890. The piece measures approximately two and a half inches long and about one and an eighth inches in diameter.

© Minnesota Historical Society
All rights reserved.

Holding Location

Minnesota Historical Society

Articles

Topics