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Spatial Data Links
 
Ag Leader has provided these links to assist you in finding spatial data that can be imported into SMS or used in for other purposes in your Precision Farming activities. These links will be updated over time to reflect new data sources and services. Please feel free to submit relevant links that are not already listed.
 
Note: Ag Leader has provided these links free of charge and assumes no liability or responsibility for the use of these links.

Commercial Sites (Some Sites May Require an Access Fee):
 
Spatial Map data
Soil Data Mart – NRCS
Geospatial Data - USDA
Map Makers
Geography Network
ArcData Online
GIS Data Depot
 
Imagery Download
SPOT Image Corporation
Satshot
EROS Data Center
 
Agronomy
Insect Images
Weed Science Society of America
Manure Management Planner
Weeds of North Central States

Web Sites by State (Some sites may require an access fee):
 
Alaska
Alaska Geospatial Data Clearinghouse (AGDC)
 
Arizona
Arizona Land Resource Information System (ALRIS)
 
Arkansas
Center for Advanced Spatial Technologies (CAST), U of AR
 
California
California Resources Agency
California State University, Northridge
Integrated Pest Management
 
Connecticut
University of Connecticut Libraries
Integrated Pest Management
 
Delaware
University of Delaware
Integrated Pest Management
 
Florida
Integrated Pest Management
 
Georgia
Georgia GIS Data Clearinghouse
 
Hawaii
Hawaii Statewide GIS Program
 
Idaho
Idaho Department of Water Resources (IDWR)
 
Illinois
Illinois State Geological Survey 
Illinois Natural Resources Geospatial Data Clearinghouse
Integrated Pest Management
 
Indiana
Indiana Data Store (Large Downloads of original aerial photos)
Purdue University CAAGIS center
Integrated Pest Management
 
Iowa
Iowa Cooperative Soil Survey
Iowa Geographic Map Surver
Integrated Pest Management
Natural Resources Geographic Information Library
 
Kentucky
Integrated Pest Management
 
Louisiana
Louisiana Statewide GIS
 
Maine
Maine Office of GIS
Integrated Pest Management
 
Maryland
Integrated Pest Management
 
Massachusetts
Integrated Pest Management
 
Michigan
Integrated Pest Management
University of Michigan
 
Minnesota
Minnesota Land Management Information Center (LMIC)
 
Missouri
Missouri Spatial Data Information Service (MSDIS)
Integrated Pest Management
 
Montana
Montana Natural Resource Information System (NRIS)
 
Nebraska
Nebraska Geospatial Data Clearinghouse
 
New Jersey
New Jersey Geographic Metadata Clearinghouse
 
New Mexico
Resource Geographic Information System (RGIS) Clearinghouse 
 
New York
New York State GIS Clearinghouse 
Cornell Integrated Pest Management
 
North Carolina
Digital Orthophotos
Integrated Pest Management
 
North Dakota
North Dakota Geological Survey 
Integrated Pest Management
 
Ohio
Integrated Pest Management
 
Pennsylvania
Pennsylvania Spatial Data Clearinghouse
Pennsylvania State University
Integrated Pest Management
 
Rhode Island
University of Rhode Island
 
South Carolina
Clemson Integrated Pest Management
 
Texas
Texas Natural Resources Information System
Integrated pest management
 
Vermont
Integrated Pest Management
 
Washington
University of Washington Libraries
 
West Virginia
West Virginia Division of Environmental Protection 
Integrated pest management
 
Wisconsin
Integrated Pest Management
 
Canada:
 
GeoBase
Overseen by Canadian Council on Geomatics (CCOG)
 
AltaLIS
Digital Mapping for Alberta