Title
An essay on the geology of the Hudson River, and the adjacent regions: : illustrated by a geological section of the country, from the neighbourhood of Sandy-Hook, in New-Jersey, northward, through the highlands in New-York, towards the Catskill Mountains ... / By Samuel Akerly, one of the vice-presidents of the same. ; Read before the Lyceum in August, 1819.
Variant and related titles
Geology of the Hudson River, and the adjacent regions.