All maps in the series are in packages measuring 6.5 by 9.5. The very readable maps measure 17 1/2 X 23 and are printed on both sides.

New Mexico Gold and Gems Maps - Then and Now contains 5 maps. Map 1 is of the northwest section and placer deposits and epithermal vein deposits. Map 2 is of the northeast section and Great Plains margin deposits. Map 3 is of the southwest section and Gem & Gold facts. Map 4 is of the southeast section and placer deposits of 1970. Map 5 has a post route map of 1902 with mining districts and southwest mineral deposits of 1866.