T-Sheets

Geospatial landcover

Classified polygons derived from the U.S. Coast & Geodetic Survey historic topographic survey maps from 1868 to 1901.


These data are provided in an Arc personal geodatabase version 9.X, Oregon Lambert NAD83 projection. These data are provided without constraints.  Please cite the maps as indicated in the metadata.

 
Microsoft Access file icon Landcover_1868_to_1901_ver1.mdb32.4M Download
Microsoft Access file icon TSheet_index.mdb651K Download
Microsoft Access file icon Historic_ColumbiaRiverEstuary.mdb28.3M Download The 26 T-sheet landcover shapefiles merged into a single feature.
Microsoft Access file icon Historic_CRE_Arc93.mdb28.0M Download

Georeferenced U.S. Coast & Geodetic Survey (USCGS) topographic maps

Digital topographic maps (T-sheets) for the Columbia River estuary provided by NOAA Coastal Services Center and georeferenced with the aid of our national geodedist at the National Geodectic Survey, David Doyle.

These data are provided without constraints.  Please cite the maps as indicated in the metadata.

 
All data provided in Oregon Lambert NAD83, units of meters. There are 25 survey maps.
Unknown file type icon t1112lam83.img30.7M Download
HTML file icon t1112lam83.img.xml13K Download View source
Unknown file type icon t1138lam83.img21.3M Download
HTML file icon t1138lam83.img.xml13K Download View source
Unknown file type icon t1123lam83.img31.1M Download
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Unknown file type icon t1139alam83.img24.4M Download
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Unknown file type icon t1139blam83.img3.6M Download
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Unknown file type icon t1234lam83.img24.4M Download
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Unknown file type icon t1235lam83.img20.4M Download
HTML file icon t1235lam83.img.xml13K Download View source
Unknown file type icon t1249lam83.img6.5M Download
HTML file icon t1249lam83.img.xml13K Download View source
Unknown file type icon t1250lam83.img24.5M Download
HTML file icon t1250lam83b.img.xml13K Download View source
Unknown file type icon t1331lam83.img26.8M Download
HTML file icon t1331lam83.img.xml13K Download View source
Unknown file type icon t1401alam83.img18.6M Download
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Unknown file type icon t1401blam83.img14.2M Download
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Unknown file type icon t1431alam83.img7.3M Download
HTML file icon t1431alam83.img.xml13K Download View source
Unknown file type icon t1431blam83.img10.6M Download
HTML file icon t1431blam83.img.xml13K Download View source
Unknown file type icon t1454lam83.img32.3M Download
HTML file icon t1454lam83.img.xml13K Download View source
Unknown file type icon t1455alam83.img30.4M Download
HTML file icon t1455alam83.img.xml13K Download View source
Unknown file type icon t1495lam83.img26.3M Download
HTML file icon t1495lam83.img.xml13K Download View source
Unknown file type icon t1542lam83.img21.7M Download
HTML file icon t1542lam83.img.xml13K Download View source
Unknown file type icon t1562lam83.img7.4M Download
HTML file icon t1562lam83.img.xml13K Download View source
Unknown file type icon t1563lam83.img6.4M Download
HTML file icon t1563lam83.img.xml13K Download View source
Unknown file type icon t2007lam83.img6.6M Download
HTML file icon t2007lam83.img.xml13K Download View source
Unknown file type icon t2085lam83.img4.9M Download
HTML file icon t2085lam83.img.xml13K Download View source
Unknown file type icon t2522lam83.img16.9M Download
HTML file icon t2522lam83.img.xml13K Download View source
Unknown file type icon t2577lam83.img6.4M Download
HTML file icon t2577lam83.img.xml13K Download View source
Unknown file type icon t1455blam83.img7.1M Download
HTML file icon t1455blam83.img.xml13K Download View source
 

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