Research Guides: GEO 108 Mapping Today: Technology and Spatial Thinking (Spring 2023): Home

Topographic Maps

USGS Store
Download old print versions as well as post-2010 digital version of 1:24k, 1:48k, 1:62k, 1:100k and 1:250k topo sheets
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TIP: These maps are in a GeoPDF format and will not display in ArcGIS software. Convert these images to a GeoTIFF using Acrobat PRO or Photoshop.
USGS TopoView
View, select and download pre-2010 24k, 48k, 62k, 100k, 250k topo sheets in either JPG, KMZ, GeoPDF, GeoTIFF formats
Topo Symbols
PDF brochure depicting all the different symbols used on USGS topo maps. (takes a few seconds to download)
Features Shown on Topographic Maps
More than you'll ever want to know about the features and symbols printed on USGS topographic maps.
What's on a USGS topo map
USGS PDF document on the information contained in the margins of a USGS topo sheet and what it all means.
How to Read a Topographic Map
From REI.

USGS Earth Explorer
Air photos and Landsat imagery from USGS. You can view any items you find on his site, but you will need to create your own FREE user account to download photos or imagery.
Satellite Imagery
Links to different collections of satellite imagery. Most can be found on EarthExplorer.
New York Orthoimagery
Down load aerial photos of New York State from 1995 to now. Use "Direct Download" link. There is also a link to the GIS web mapping service for the newest air photo layers
New York State - Historical Aerial Photographs
New York State - coverage is by county from the 30's to the 60's

Data.gov
Geospatial data can be found under the Data tab at the top of the page
GIS Clearinghouses - States
Links for geospatial data and DOQ from other States provided by our friends at Purdue University Library.
OpenStreetMap Data
Download data layers by continent or country.
GPS.gov
Information about the Global Positioning System (GPS) and other related topics
Map Projections
Info and examples on the most used mapping projections.
Map Projections - USGS publication 1395
Everything you ever wanted to know about map projections.

SimplyAnalytics
Four simultaneous users. Users must also create their own personal profile.

Application for mapping, analytics, and data visualization of variables such as demographics, employment, housing, market segments, businesses, consumer spending, brand preferences, technology, and public health. Includes data from Nielsen Claritas, Dun and Bradstreet, Simmons, GFK MRI, Easy Analytic Software (EASI), and Applied Geographic Solutions.
PolicyMap
Geographic information system with policy-related data about demographics, real estate, crime, income, jobs, education, energy, and more.
Social Explorer
Tool for creating maps and visualizations related United States demographics.

Census Data website
This site is optimized for use with the Chrome browser.
Newest version for finding US Census data. This is the replacement for American Factfinder.
US Census
A large selection of vector map files and demographic data files
NHGIS
National Historical Geographic Information System

Email Me

Contact:

358 Bird Library

Individual appointments for in-depth reference inquiries are also welcome through MS Teams or Zoom.

315.443.4818

Subjects: Earth Sciences, Geography, Government Information, Maps and GIS

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Lessons for ArcGIS Online & Pro
There are 24 available lessons to take here using the ArcGIS Desktop, ArcGIS Online or ArcGIS Pro software platform. You will need an existing ArcGIS Online username and password to access the lessons available here. Contact John Olson for more information.