Re: Silica

Posted by Daniel Frauenhoff on May 15, 2016; 2:05pm
URL: http://c-sng-discussion-forum.254.s1.nabble.com/Silica-tp2143p5227.html

Also, a view of the siding and chute at Vincent. (Closeup from a Denver Water Photograph of Platte Canyon reservoir, November 30, 1926)