Bouguer gravity map of the Portland 1° x 2° quadrangle, Maine and New Hampshire
No abstract available.
Maine, New Hampshire↗
Geology topics
R.W. Simpson
Publications and source records attributed to R.W. Simpson.
Bouguer gravity map of the Lewiston 1° x 2° quadrangle, Maine, New Hampshire, and Vermont
No abstract available.
Maine, New Hampshire, Vermont↗
Bouguer gravity map of the Sherbrooke 1° x 2° quadrangle, Maine, New Hampshire, and Quebec
No abstract available.
Maine, New Hampshire, Quebec↗
Digitized aeromagnetic map of the Columbus-Dayton area, Ohio and Indiana
No abstract available.
Indiana, Ohio↗