Maps and GIS Data
National Geologic Map Database (USGS)
https://ngmdb.usgs.gov/ngmdb/ngmdb_home.html
Map Maker (Contour and Ariel Photography)
https://caltopo.com/map.html#ll=43.98336,-85.07138&z=7&b=t
Geologic maps of US states (GIS)
https://mrdata.usgs.gov/geology/state/
Map of Recent Earthquakes
https://earthquake.usgs.gov/earthquakes/map/
Canadian GIS Data
https://www.nrcan.gc.ca/earth-sciences/geography/topographic-information/free-data-geogratis/11042
NOAA Benchmarks
https://www.ngs.noaa.gov/datasheets/
Sault Ste. Marie Web GIS
DEQ WEll Database (can help identify bedrock)
https://secure1.state.mi.us/wellogic/Login.aspxReturnUrl=%2fwellogic%2fdefault.aspx
Landsat Data
https://landsat.usgs.gov/landsatlook-images
USGS Digital Topo
https://ngmdb.usgs.gov/topoview/viewer/#12/46.4098/-84.4326
Eastern Upper Peninsula Coastal GIS Study
http://euprpdc.maps.arcgis.com/apps/MapSeries/index.html?appid=777a730e27ad48e8bcfd196ca5f4c6cf
Rocks and Mineral
Minerals Database A-Z
https://www.wirefence.co.uk/minerals-a-z/
Rock Naming (General)
Minerals (General)
Mineral ID Table (Complex)
http://www.science.smith.edu/geosciences/petrology/Petrography/
Sediments and Soils
Soil Data
https://websoilsurvey.nrcs.usda.gov/app/HomePage.htm
Sed Log Program
Seismic Lines
High Risk Erosion Areas (DEQ)
https://www.michigan.gov/deq/0,4561,7-135-3311_4114-344443–,00.html
Other
Michigan Sea Grant
http://www.miseagrant.umich.edu/
Superior Watershed Partnership and Land Trust
Sequence Strat Terminology
http://www.sepmstrata.org/TerminologyList.aspx