Maps, Charts, and Photos

Frequently Asked Questions

Geologic Maps

Use the Maps and Publications Search to search for Maine geologic maps and publications
Types of geologic maps published by the Maine Geological Survey
General Geologic Map Information

U.S. Geological Survey Geology Publications
U.S. Geological Survey Geologic Names Lexicon
National Geologic Map Database - Search database developed by U.S. Geological Survey in cooperation with the Association of American State Geologists. The database is a geoscience resource for maps and related data about: geology, hazards, earth resources, geophysics, geochemistry, geochronology, paleontology, and marine geology.
Meeting Challenges with Geologic Maps

Topographic Maps

The Maine Geological Survey sells U.S. Geological Survey topographic maps for Maine at scales of 1:24,000 (707 maps cover the state), 1:100,000 (35 maps cover the state), 1:250,000 (13 maps cover the state), and 1:500,000 (1 map covers the state). To order maps, go to our Maps, Publications, and Online Data site.
How to find which quadrangle covers an area.
Old Topographic Maps: Geological Tools and Records of History
Online Map Viewers

U.S. Geological Survey The National Map
U.S. Geological Survey National Map viewer
Historical Maps - this site, hosted by MyTopo, is an expansion of the Historic Maps of New England site hosted at UNH. The site has been expanded to include Delaware, Maryland, New Jersey, New York, Ohio, Pennsylvania, and West Virginia.

General Information

Finding Your Way with Map and Compass
Geographic Names Information System
Historical Mapping
Map Scales
Topographic Map Symbols
Topographic Mapping
Topographic Maps - general information about topo maps, symbols, revision, standards, DRG's

Air Photos and Satellite Imagery

The Maine Geological Survey has historical aerial photographs covering many parts of Maine. The photos were collected between 1930 and 2009 at scales from 1:1,200 to 1:80,000. Use the Maine Aerial Photographs map to review photo coverage and availability.
Aerial photographs of Maine - Views from the sky - Maine Geological Survey fact sheet
Online Air Photo Viewers

Maine GeoLibrary Orthoimagery Discovery and Download Application
Maine GeoLibrary Orthoimagery Program Overview
U.S. Geological Survey National Map Viewer

General Information

U.S. Geological Survey

Aerial Photographs and Satellite Images - fact sheet
Earth Explorer - satellite imagery, air photos, DEM, DLG, DRG
EROS (Earth Resources Observation Systems) Data Center - air photos, satellite imagery
How To Obtain Aerial Photographs - fact sheet
Looking for an Old Aerial Photograph - fact sheet

Farm Service Agency, U.S. Department of Agriculture Aerial Photography Field Office
NASA ISS EarthKAM - Earth Knowledge Acquired by Middle school students - space shuttle and space station imagery

Wetlands Maps

The Maine Geological Survey sells National Wetlands Inventory Maps published by the U.S. Fish & Wildlife Service.
U.S. Fish & Wildlife Service Wetland Codes and Definitions
Online Viewer

U.S. Fish & Wildlife Service Wetlands Mapper

Digital Elevation Models

Digital Elevation Models: Maine Geology in a New Light

Nautical Charts

NOAA Historical Map and Chart Collection - image viewer for old nautical charts
NOAA Nautical Charts and Publications
NOS Bathymetric and Fishing Maps

Flood Maps

Environmental Maps

U.S. Environmental Protection Agency My Environment online map viewer

Survey Benchmarks

Maine Department of Transportation Survey control points
National Geodetic Survey Survey control information
U.S. Geological Survey Benchmark elevation information

Field Photographs

The Maine Geological Survey has started to compile a database of scanned slides and digital photographs taken by staff or contributed by other geologists working in the state. Many of these photos are now available online in our Digital Maine - Field Photos Collection or from our Maine Field Photos Digital Maine Search tool.

Maine.gov

Maine Department of Agriculture, Conservation & Forestry