Proceedings and collections; 1919
Publisher: printed by E.B. Yordy
Published: 1920
Place of publication: Wilkes-Barre, Pa
Language: eng
Number of pages: 194
Notes: Access to portions of this material may be restricted.
Table of contents: title: p. 1-20, The Grand Canyon as an object lesson in geology, by N.H. Norton;; title: p. 93-156, Mineral coal, by Volney L. Maxwell.