Including Original "Paul H. Letters" Copyright © 1996-2018 Paul V. Heinrich - All rights reserved.

Sunday, 20 October 2013

Geologic Map Day

Geologic Map Day

The prettiest information resources: Geologic maps
Information Culture, Scientific American by Bonnie
Swoger, October 18, 2013,

Digital geologic maps of US States

Database of the Geologic Map of North America—
adapted from the Map by J.C. Reed, Jr. and others
(2005), U.S. Geological Survey Data Series 424

OneGeology Portal – Geologic map of the world

Not geological Maps, but still useful collection of
historical topographic maps, which can be
downloaded as GeoPDFs


Paul H.