Montana Gold & Gems Maps Then and Now

Montana Gold & Gems Maps Then and Now is a package of 5 maps printed on both sides. Map 1 , side #1 is of the NW section. Side #2 are regional mineral maps. Map 2, side #1 is of the NE section. Side #2 are regional mineral maps. Map 3, side #1 is of the SW section. Side #2 are regional mineral maps. Map 4, side #1 is of the SE section. Side #2 are Gold & Gem facts. Map 5 is a map of 1881 with the north half on side #1 and the south half on side #2. All maps in the series are in packages measuring 6.5" by 9.5". The very readable maps measure 17.5" by 23".