Minerals in rock sections, by Lea McIlvaine Luquer 76003 [Subtitle: The practical methods of identifying minerals in rock sections with the microscope especially arranged for students in technical and scientific schools, fourth revised edition] [Author: Lea McIlvaine Luquer] [Link: https://www.gutenberg.org/ebooks/76003] Thanks to Charlene Taylor, Richard Tonsing and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/Canadian Libraries) Regards, Jacqueline