Maine Mines and Minerals Vol. 1 Western Maine
by Philip Morrill & Wm. P. Hinckley
This book lists many of the gem and mineral mines in Maine and the towns in which they are located in. Vol. 1 covers from Augusta to the New Hampshire border. Many of the directions to the mines can be found by using the 19 pages of maps. First printed in 1959, revised in 1981 and reprinted in 2000 80-page paperback booklet.