Waesche, H.H., 1932, A summary of Grand Canyon minerals: Grand Canyon Nature Notes, v. 7, p. 44-48. Authors Waesche, H.H. Publication Date 1932 Citation Grand Canyon Nature Notes, v. 7, p. 44-48. State AZ Province CP TR County CN MO Keywords Mineralogy More Keywords Mineralogy, AzGeoBib RefNum 10703