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Aerial Photos (UMESC)

On occasion the Center will scan and register aerial photography for special projects. As these data sets are created they're also made available through Web site. For information on how to download these data and obtain a free viewer program or the required .dll files for your GIS program, activate the help button.

Aquatic Areas (UMESC)

The Aquatic Areas data sets were created to identify areas of similar aquatic habitats. These data are available as polygons and linears. The linear data set contains data for features too narrow to be mapped as polygons (e.g., wing dams, rip rap). For additional information, access the help button.

- 1989 Aquatic Areas (479 KB UNIX) (513 KB NT) (738 KB z15n27 Shape) (747 KB z15n83 Shape)
- 1989 Linear Aquatic Areas (48 KB UNIX) (78 KB NT) (83 KB z15n27 Shape) (83 KB z15n83 Shape) The linear file contains data for features too narrow to be mapped as polygons.

Digital Orthophoto Quadrangles (DOQ)

Digital orthophoto quadrangles (DOQ) are georeferenced images of aerial photographs that have had camera orientation and terrain displacements removed.

These data are being compressed and redistributed through this web site as a service for program partners of the Upper Midwest Environmental Sciences Center. If you require data for areas outside the Mississippi River floodplain, data sets made from photographs from a different year, or the uncompressed files, contact the EROS Data Center. Project status information, photography dates, and ordering information are available online.

Quadrangle Name	Northwest	Southwest	Northeast	Southeast
Canton - 24K quad	2.3 MB	2.3 MB	2.4 MB	2.4 MB
Hamilton - 24K quad	2.2 MB	2.1 MB	N/A	N/A
Kahoka SE - 24K quad	2.3 MB	2.3 MB	2.2 MB	2.3 MB
Keokuk - 24K quad	N/A	2.3 MB	2.3 MB	2.2 MB
Lima - 24K quad	2.3 MB	2.3 MB	2.4 MB	2.4 MB
Warsaw - 24K quad	2.2 MB	2.1 MB	2.2 MB	N/A
Wayland - 24K quad	N/A	N/A	N/A	2.2 MB
Composite Image	DOQ
Navigation Pool 20	9.0 MB		9.0 MB

Digital Raster Graphics (DRG)

Digital raster graphic (DRG) files are scanned and rectified images of USGS quadrangles.

These data are being compressed and redistributed through this web site as a service for program partners of the Upper Midwest Environmental Sciences Center. If you require data for additional areas, the help button access information on which files are available through this Web site, the USGS National Mapping Center in Rolla, Missouri keeps a listing of sites that distribute DRG files through the Internet, and copies of the data can be ordered from the EROS Data Center (for a duplication and distribution fee).

Hydrology (UMESC)

These data were created from USGS - National Mapping Division hydrology data. The data were modified to display tributaries of the Upper Mississippi River System (UMRS). If you require these data in their original format, contact the EROS Data Center. The files are available to download via. FTP, and regional CD-ROMs are also available.

- Tributaries - Keokuk 100K Quadrangle (443 KB)

Land Cover/Use

Since 1989 the Upper Midwest Environmental Center through its association with the Long Term Resource Monitoring Program has been creating land cover/use data sets for the Upper Mississippi River system. For background information on how these data sets were created and are attributed, activate the help buttons. A link to a freeware GIS data viewer that can read the Shape files is also available.

- 2000 Land Cover/Use (1.8 MB UNIX) (1.9 MB NT) (1.8 MB z15n27 Shape) (3.9 MB z15n83 Shape)

- 1989 Land Cover/Use version 1 (2.4 MB UNIX) (2.4 MB NT) (3.2 MB z15n27 Shape) (3.2 MB z15n83 Shape)

- 1989 Linear Land Cover/Use (124 KB UNIX) (155 KB NT) (135 KB Shape) The linear file contains data for features too narrow to be mapped as polygons.
- 1989 Land Cover/Use - Satellite Data (273 KB UNIX) (310 KB NT) (234 KB Shape)
- 1975 Land Cover/Use (486 KB UNIX) (531 KB NT) (528 KB Shape)
- 1890's Land Cover/Use (684 KB UNIX) (725 KB NT) (941 KB Shape)

Land/Water (UMESC)

Land/water is one of the classification attributes in the land cover/use data sets created by UMESC from aerial photography. These data are redistributed here as shape files with the boundaries of the region's 1:24,000-scale USGS quadrangles added to the data. This has been done because individuals working with ArcView have reported numerous problems if they attempt to perform a dissolve on the land cover/use data to create a land/water only shape file. Most printers cannot process the detailed land/water boundaries unless some form of a break line or lines are added.

- 2000 Land/Water (605 KB z15n27 Shape) (1.4 MB z15n83 Shape)
- 1989 Land/Water (750 KB z15n27 Shape) (758 KB z15n83 Shape)

- 1975 Land/Water (231 KB z15n27 Shape) (246 KB z15n83 Shape)

Map Products (UMESC)

- 1890's Map Plates - Georeferenced Images of Maps Produced by the Mississippi River Commission (17.1 MB z15n27 MrSid) (17.1 MB z15n83 MrSid)

Graphical images of wall maps and standardized report figures.

- 2000 LW Report Figure (288 dpi. 275 KB Gif) (41 KB thumbnail)
- 2000 LC Report Figure (288 dpi. 431 KB Gif) (41 KB thumbnail)
- 1989 LW Report Figure (288 dpi. 374 KB Gif) (22 KB thumbnail)

- 1989 LCU Wall Map (100 dpi. 588 KB Gif) (754 KB GRA)
- 1989 LCU Report Figure (288 dpi. 130 KB Gif) (15 KB thumbnail)
- 1989 LCU - Satellite Data Report Figure (288 dpi. 75 KB Gif) (9 KB thumbnail)
- 1975 LCU Report Figure (288 dpi. 386 KB Gif) (36 KB thumbnail)
- 1890's LCU Report Figure (288 dpi. 46 KB Gif) (14 KB thumbnail)

River Miles (UMESC and SAST)

The U.S. Army Corps of Engineers use a river mile measuring scheme to locate features on the Mississippi River. Two digital version of these data are available, one created by UMESC from stored on USGS quadrangles, and one created by the SAST project. The SAST data set differs from the UMESC data set in that some of the river mile markers were relocated by UMESC staff so they would fall within the navigation channel.

- UMESC River Miles (50 KB UNIX) (80 KB NT) (44 KB Shape)
- SAST River Miles (108 KB UNIX) (146 KB NT) (85 KB Shape)

SAST Data (SAST)

The Scientific Assessment and Strategy Team (SAST) project was created following the 1993 floods to collect and distribute data for the Upper Mississippi and Missouri river systems. Some of these data are redistributed through this web site as a service to program partners of the Upper Midwest Environmental Sciences Center. The data have been projected to UTM Zone 15, North American Datum 27 (NAD27), and the Clark 1866 ellipsoid. Most of the Missouri River levee data are not included in these files. If you require levee data for the Missouri River basin or would like to access or learn about the other SAST data sets, refer to the SAST home page.

UMRS Basin

- 1993 Levees (359 KB Shape)

Lock and dam 10 to the Ohio River

- 1984 Commercial Fisheries (259 KB Shape)
- 1984 Eagle Nests (20 KB Shape)
- 1984 Mussel Beds (40 KB Shape)
- 1984 Rookeries (16 KB Shape)
- 1984 Spawning Habitat (226 KB Shape)
- 1984 Sport Fisheries (491 KB Shape)

Transportation (USGS-National Mapping Division)

USGS's 1:100,000-scale transportation data for the Upper Mississippi River floodplain are being redistributed through this web site as a service for program partners of the Upper Midwest Environmental Sciences Center. If you require these data as UNIX format files, data for additional areas, or want to make sure you have the most recent version of the data, contact the EROS Data Center. EROS makes these data available to download via the Internet.

- Miscellaneous Transportation - Keokuk 100K Quadrangle (18 KB)
- Railroads - Keokuk 100K Quadrangle (20 KB)
- Roads - Keokuk 100K Quadrangle (483 KB)

Wing Dams (COE)

The Corps of Engineers constructs and maintains wing dams in the Mississippi River system. Copies of data files provided by the US Army Corps of Engineers - Rock Island District are being redistributed through this web site as a service for program partners of the Upper Midwest Environmental Sciences Center.

- Wing Dams (10 KB UNIX) (39 KB NT) (26 KB Shape)

Other

Other UMESC pages or Web sites that may contain links to data sets for this area are:

• Related Projects - State of Illinois
• Related Projects - State of Iowa
• Related Projects - State of Missouri
• Iowa Geographic Image Map Server
• Missouri Resource Assessment Partnership (MoRAP)