Mining the Moon, a review of the book “Return to the Moon” by Harrison H. Schmitt, American Scientist, Volume 94, number 3, May-June, 2006
http://www.americanscientist.org/bookshelf/pub/2006/3/mining-the-moon
Spudis Lunar Resources was created by renowned planetary geologist Paul D. Spudis (1952-2018) and is archived by the National Space Society with the kind permission of the Spudis family.