This map is the earliest detailed geologic map of the White Mountain region, showing Mount Washington, the highest peak in New England, as well as the Lafayette Range, Franconia Notch, "the flume" and the cog railway. The map also locates gold mines and other mineral deposits. Still bound in the 56 page report that describes the geology in detail entitled Report of the Geological Survey of the State of New Hampshire, Showing Its Progress During the Year 1871.

References: Marcou & Marcou #225.

Condition: A

Condition code is for the map, which is near fine with pleasant light toning and a binding trim at lower left. Report text is also lightly toned, and the front paper wrapper is detached. Light exterior soiling.