Fisk, H.N., 1944, Geological investigation of the alluvial valley of the lower Mississippi River: U.S. Department of the Army, Mississippi River Commission, 78p.

The original high-resolution TIFF scans of the multi-sheet plates (10, 12, 15 and 22) are also linked below. They are very large files (17 to 110 MB each) and are best downloaded and opened in an image viewer.

These are high resolution scans of the maps in this volume. The files are in PDF format and are up to 30 megs. While some of the conclusions of the report are outdated, the maps are beautiful and illustrate the dynamic history of the Mississippi River. The most striking are the 15 sheets that make up Plate 22, the meander maps of the Mississippi from Cape Girardeau to Donaldsonville.

Plate #	Plate Title	Location in Book
1	Physiographic map of Central Gulf Coastal Plain	4
2	Development of alluvial surface (2 sheets) 1, 2	In pocket
3	Mississippi River entrenched valley system (2 sheets) 1, 2	In pocket
4	Transvalley cross section (Harrisonburg, La. To Natchez, Miss.)	16
5	Transvalley cross section (Bastrop, La. To Yazoo City, Miss.) 3 sheets 1, 2, 3	16
6	Transvalley cross section (Pine Bluff, Ark. To Memphis, Tenn.) 3 sheets 1, 2, 3	16
7	Transvalley cross section (Poplar Bluff, Mo. To Wickliffe, Ky.) 2 sheets 1, 2	16
8	Transvalley cross sections of tributary valleys (2 sheets) 1, 2	16
9	Transvalley cross sections of alluvial valley and principal tributaries	16
10	Geological Map of the floor of the entrenched valley system (2 sheets) 1, 2 Original TIFF scans: 1 (19 MB), 2 (18 MB)	In pocket
11	Bedrock profiles along major entrenched valleys	16
12	Contour map showing top of graveliferous deposits in the alluvial valley (2 sheets) 1, 2 Original TIFF scans: 1 (19 MB), 2 (19 MB)	In pocket
13	Distribution of floodplain sediments	20
14	Clay plugs within the Mississippi River meander belt	20
15	Stream courses in alluvial valley (4 sheets) 1, 2, 3, 4 Original TIFF scans: 1 (17 MB), 2 (18 MB), 3 (16 MB), 4 (20 MB)	In pocket
16	Braided topography in the Western Lowland	22
17	Major faults and structural depressions I the deltaic plain	34
18	Valley slope profiles	38
19	Valley slopes during various stages of development of alluvial plain	40
20	Diversion of Ohio River from Cache Lowland	40
21	Mississippi River Sources at head of alluvial valley	40
22	Ancient courses within the Mississippi River meander belt (15 sheets) 1, 2, 3, 4, 5, 6. 7, 8, 9. 10. 11. 12. 13. 14. 15 Original TIFF scans: 1 (17 MB), 2 (26 MB), 3 (27 MB), 4 (27 MB), 5 (29 MB), 6 (30 MB), 7 (29 MB), 8 (30 MB), 9 (110 MB), 10 (30 MB), 11 (29 MB), 12 (26 MB), 13 (27 MB), 14 (26 MB), 15 (27 MB)	In pocket
23	Profiles of selected Mississippi River courses within the meander belt	42
24	Bank Caving near Mayersville, Miss.	50
25	Distribution of alluvium and older bedrock along the Mississippi River channel	52
26	Cross sections of Quaternary deposits	64
27	West-east cross sections of Central Gulf Coastal Plain along lat. 35°N and 36°N	64
28	West-east cross sections of Central Gulf Coastal Plain along lat. 33°N and 34°N	64
29	West-east cross section of Central Gulf Coastal Plain along lat. 32°N	64
30	West-east cross section of Central Gulf Coastal Plain along lat. 31°N	64
31	West-east cross section of Central Gulf Coastal Plain along lat. 30°N	64
32	West-east cross section of Central Gulf Coastal Plain from Cameron, La. to Breton Sound	64
33	North-south cross section of Central Gulf Coastal Plain from Cairo to the Gulf of Mexico	64

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