"A Geological Map, of New-Hampshire", Jackson, Charles T.

This is the first geological map of New Hampshire according to the reference Mapoteca Geologica Americana. Although primarily geologic, the map also has a good deal of topographical detail as well as towns, boundaries, villages, railroads, rivers and ponds. This uncolored map uses different icons to locate an astounding 30 different geological features and minerals as identified in the key. This large map was engraved on stone by C. Cook, Boston.

References: Marcou & Marcou #207.

Condition: B+

Issued folding with a few extraneous creases and tiny spots. Lightly toned with a binding trim at left with ample margin remaining.