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Comprehensive

Typically completed every two to three years, the comprehensive survey is a detailed map of depth soundings for large sections of the river. The surveys are usually separated into Mississippi River Miles 0-200 and 200-300.

 2007 Comprehensive Hydrographic Survey - LMR Mile 0 - 200.6
 Plate 1: 198.9 - 200.6
 Plate 2:  196.7-198.9
 Plate 3:  194.5-196.7
 Plate 4:  192.6-194.5
 Plate 4a: Chain of Rocks Canal  
 Plate 4b: Chain of Rocks Canal
 Plate 4c: Chain of Rocks Canal
 Plate 5:  190.7-192.6
 Plate 6:  188.4-190.7
 Plate 7:  186.4-188.4
 Plate 8:  184.3-186.4
 Plate 9:  182.2-184.3
 Plate 10: 180.3-182.2
 Plate 11: 178.2-180.3
 Plate 12: 176.2-178.2
 Plate 13: 174.1-176.2
 Plate 14: 172.2-174.1
 Plate 15: 170.1-172.2
 Plate 16: 168.2-170.1
 Plate 17: 166.3-168.2
 Plate 18: 164.3-166.3
 Plate 19: 162.3-164.3
 Plate 20: 160.3-162.3
 Plate 21: 158.3-160.3
 Plate 22: 156.2-158.3
 Plate 23: 154.3-156.2
 Plate 24: 152.3-154.3
 Plate 25: 150.3-152.3
 Plate 26: 148.3-150.3
 Plate 27: 146.2-148.3
 Plate 28: 144.2-146.2
 Plate 29: 142.2-144.2
 Plate 30: 140.2-142.2
 Plate 31: 138.2-140.2
 Plate 32: 136.2-138.2
 Plate 33: 134.2-136.2
 Plate 34: 132.2-134.2
 Plate 35: 130.0-132.2
 Plate 36: 128.0-130.0
 Plate 37: 126.0-128.0
 Plate 38: 124.0-126.0
 Plate 39: 122.0-124.0
 Plate 40: 120.1-122.0
 Plate 41: 118.2-120.1
 Plate 42: 116.0-118.2
 Plate 43: 114.0-116.0
 Plate 44: 112.0-114.0
 Plate 45: 110.0-112.0
 Plate 46: 108.0-110.0
 Plate 47: 106.0-108.0
 Plate 48: 103.9-106.0
 Plate 49: 102.0-103.9
 Plate 50: 100.0-102.0
 Plate 51:  98.0-100.0
 Plate 52:  95.8-98.0
 Plate 53:  93.5-95.8
 Plate 54:  91.2-93.5
 Plate 55:  89.1-91.2
 Plate 56:  87.1-89.1
 Plate 57:  85.0-87.1
 Plate 58:  82.7-85.0
 Plate 59:  80.7-82.7
 Plate 60:  78.6-80.7
 Plate 61:  76.8-78.6
 Plate 62:  74.7-76.8
 Plate 63:  72.7-74.7
 Plate 64:  70.7-72.7
 Plate 65:  68.7-70.7
 Plate 66:  66.7-68.7
 Plate 67:  64.7-66.7
 Plate 68:  62.7-64.7
 Plate 69:  60.6-62.7
 Plate 70:  58.5-60.6
 Plate 71:  56.1-58.5
 Plate 72:  53.9-56.1
 Plate 73:  51.8-53.9
 Plate 74:  50.0-51.8
 Plate 75:  48.3-50.0
 Plate 76:  46.3-48.3
 Plate 77:  44.4-46.3
 Plate 78:  42.5-44.4
 Plate 79:  40.5-42.5
 Plate 80:  38.5-40.5
 Plate 81:  36.5-38.5
 Plate 82:  34.5-36.5
 Plate 83:  32.5-34.5
 Plate 84:  30.5-32.5
 Plate 85:  28.6-30.5
 Plate 86:  26.6-28.6
 Plate 87:  24.6-26.6
 Plate 88:  22.5-24.6
 Plate 89:  20.5-22.5
 Plate 90:  18.7-20.5
 Plate 91:  16.4-18.7
 Plate 92:  14.7-16.4
 Plate 93:  12.5-14.7
 Plate 94:  10.5-12.5
 Plate 95:   8.3-10.5
 Plate 96:   6.2-8.3
 Plate 97:   4.2-6.2
 Plate 98:   2.0-4.2
 Plate 99:  0.0-2.0
 2007 Comprehensive Hydrographic Survey - UMR Mile 200.9 - 301
 Plate 1: 294.2-301.0
 Plate 2:  297.1-299.4
 Plate 2a:  Gilburt Chute
 Plate 3:  295.0-297.1
 Plate 4:  292.8-295.0
 Plate 5:  291.0-292.8
 Plate 6:  288.8-291.0
 Plate 6a:  Chute
 Plate 7:  286.8-288.8
 Plate 8:  284.7-286.8
 Plate 9:  282.7-284.7
 Plate 10: 280.7-282.7
 Plate 11: 278.7-280.7
 Plate 12: 276.8-278.7
 Plate 13: 274.5-276.8
 Plate 14: 272.6-274.5
 Plate 15: 270.3-272.6
 Plate 16: 268.3-270.3
 Plate 17: 266.3-268.3
 Plate 18: 264.2-266.3
 Plate 19: 262.0-264.2
 Plate 20: 260.0-262.0
 Plate 21: 257.9-260.0
 Plate 22: 255.9-257.9
 Plate 22a: West Port Chute
 Plate 23: 253.8-255.9
 Plate 24: 251.7-253.5
 Plate 25: 249.8-251.7
 Plate 26: 247.8-249.8
 Plate 27: 245.8-247.8
 Plate 28: 243.7-245.8
 Plate 29: 241.6-243.7
 Plate 30: 239.9-241.6
 Plate 31: 237.6-239.6
 Plate 32: 235.6-237.6
 Plate 32a: Cuivre Slough
 Plate 33: 233.6-235.6
 Plate 34: 231.6-233.6
 Plate 35: 229.9-231.6
 Plate 36: 227.5-229.5
 Plate 36a: Dardenne Slough
 Plate 36b: Dardenne Slough
 Plate 37: 225.5-227.5
 Plate 38: 223.5-225.5
 Plate 39: 221.4-223.6
 Plate 40: 219.5-221.4
 Plate 41: 217.5-219.5
 Plate 42: 215.4-217.5
 Plate 43: 213.4-215.4
 Plate 44: 211.4-213.4
 Plate 45: 209.2-211.4
 Plate 46: 207.1-209.2
 Plate 46a: BrickHouse Slough
 Plate 47: 205.0-207.1
 Plate 48: 202.8-205.0
 Plate 49: 200.9-202.8
 2010-2011 Comprehensive Hydrographic Survey - LMR Mile 0 - 200.6
 Plate 1: 198.9 - 200.6
 Plate 2:  196.7-198.9
 Plate 3:  194.5-196.7
 Plate 4:  192.6-194.5
 Plate 4a: Chain of Rocks Canal  
 Plate 4b: Chain of Rocks Canal
 Plate 4c: Chain of Rocks Canal
 Plate 5:  190.7-192.6
 Plate 6:  188.4-190.7
 Plate 7:  186.4-188.4
 Plate 8:  184.3-186.4
 Plate 9:  182.2-184.3
 Plate 10: 180.3-182.2
 Plate 11: 178.2-180.3
 Plate 12: 176.2-178.2
 Plate 13: 174.1-176.2
 Plate 14: 172.2-174.1
 Plate 15: 170.1-172.2
 Plate 16: 168.2-170.1
 Plate 17: 166.3-168.2
 Plate 18: 164.3-166.3
 Plate 19: 162.3-164.3
 Plate 20: 160.3-162.3
 Plate 21: 158.3-160.3
 Plate 22: 156.2-158.3
 Plate 23: 154.3-156.2
 Plate 24: 152.3-154.3
 Plate 25: 150.3-152.3
 Plate 26: 148.3-150.3
 Plate 27: 146.2-148.3
 Plate 28: 144.2-146.2
 Plate 29: 142.2-144.2
 Plate 30: 140.2-142.2
 Plate 31: 138.2-140.2
 Plate 32: 136.2-138.2
 Plate 33: 134.2-136.2
 Plate 34: 132.2-134.2
 Plate 35: 130.0-132.2
 Plate 36: 128.0-130.0
 Plate 37: 126.0-128.0
 Plate 38: 124.0-126.0
 Plate 39: 122.0-124.0
 Plate 40: 120.1-122.0
 Plate 41: 118.2-120.1
 Plate 42: 116.0-118.2
 Plate 43: 114.0-116.0
 Plate 44: 112.0-114.0
 Plate 45: 110.0-112.0
 Plate 46: 108.0-110.0
 Plate 47: 106.0-108.0
 Plate 48: 103.9-106.0
 Plate 49: 102.0-103.9
 Plate 50: 100.0-102.0
 Plate 51:  98.0-100.0
 Plate 52:  95.8-98.0
 Plate 53:  93.5-95.8
 Plate 54:  91.2-93.5
 Plate 55:  89.1-91.2
 Plate 56:  87.1-89.1
 Plate 57:  85.0-87.1
 Plate 58:  82.7-85.0
 Plate 59:  80.7-82.7
 Plate 60:  78.6-80.7
 Plate 61:  76.8-78.6
 Plate 62:  74.7-76.8
 Plate 63:  72.7-74.7
 Plate 64:  70.7-72.7
 Plate 65:  68.7-70.7
 Plate 66:  66.7-68.7
 Plate 67:  64.7-66.7
 Plate 68:  62.7-64.7
 Plate 69:  60.6-62.7
 Plate 70:  58.5-60.6
 Plate 71:  56.1-58.5
 Plate 72:  53.9-56.1
 Plate 73:  51.8-53.9
 Plate 74:  50.0-51.8
 Plate 75:  48.3-50.0
 Plate 76:  46.3-48.3
 Plate 77:  44.4-46.3
 Plate 78:  42.5-44.4
 Plate 79:  40.5-42.5
 Plate 80:  38.5-40.5
 Plate 81:  36.5-38.5
 Plate 82:  34.5-36.5
 Plate 83:  32.5-34.5
 Plate 84:  30.5-32.5
 Plate 85:  28.6-30.5
 Plate 86:  26.6-28.6
 Plate 87:  24.6-26.6
 Plate 88:  22.5-24.6
 Plate 89:  20.5-22.5
 Plate 90:  18.7-20.5
 Plate 91:  16.4-18.7
 Plate 92:  14.7-16.4
 Plate 93:  12.5-14.7
 Plate 94:  10.5-12.5
 Plate 95:   8.3-10.5
 Plate 96:   6.2-8.3
 Plate 97:   4.2-6.2
 Plate 98:   2.0-4.2
 Plate 99:  0.0-2.0
 Click here to collapse content2010-2011 Comprehensive Hydrographic Survey - UMR Mile 200.9 - 301
 Plate 1: 294.2-301.0
 Plate 2:  297.1-299.4
 Plate 2a:  Gilburt Chute
 Plate 3:  295.0-297.1
 Plate 4:  292.8-295.0
 Plate 5:  291.0-292.8
 Plate 6:  288.8-291.0
 Plate 6a:  Chute
 Plate 7:  286.8-288.8
 Plate 8:  284.7-286.8
 Plate 9:  282.7-284.7
 Plate 10: 280.7-282.7
 Plate 11: 278.7-280.7
 Plate 12: 276.8-278.7
 Plate 13: 274.5-276.8
 Plate 14: 272.6-274.5
 Plate 15: 270.3-272.6
 Plate 16: 268.3-270.3
 Plate 17: 266.3-268.3
 Plate 18: 264.2-266.3
 Plate 19: 262.0-264.2
 Plate 20: 260.0-262.0
 Plate 21: 257.9-260.0
 Plate 22: 255.9-257.9
 Plate 22a: West Port Chute
 Plate 23: 253.8-255.9
 Plate 24: 251.7-253.5
 Plate 25: 249.8-251.7
 Plate 26: 247.8-249.8
 Plate 27: 245.8-247.8
 Plate 28: 243.7-245.8
 Plate 29: 241.6-243.7
 Plate 30: 239.9-241.6
 Plate 31: 237.6-239.6
 Plate 32: 235.6-237.6
 Plate 32a: Cuivre Slough
 Plate 33: 233.6-235.6
 Plate 34: 231.6-233.6
 Plate 35: 229.9-231.6
 Plate 36: 227.5-229.5
 Plate 36a: Dardenne Slough
 Plate 36b: Dardenne Slough
 Plate 37: 225.5-227.5
 Plate 38: 223.5-225.5
 Plate 39: 221.4-223.6
 Plate 40: 219.5-221.4
 Plate 41: 217.5-219.5
 Plate 42: 215.4-217.5
 Plate 43: 213.4-215.4
 Plate 44: 211.4-213.4
 Plate 45: 209.2-211.4
 Plate 46: 207.1-209.2
 Plate 46a: BrickHouse Slough
 Plate 47: 205.0-207.1
 Plate 48: 202.8-205.0
 Plate 49: 200.9-202.8
 2013 Comprehensive Hydrographic Survey - LMR Mile 0 - 200
 RM: 171.4 - 200.4
 RM: 153.0 - 171.4
 RM: 134.0 - 153.0
 RM: 117.0 - 134.0
 RM:  99.0 - 117.0
 RM:  77.0 - 99.0
 RM:  59.0 - 77.0
 RM:  40.0 - 59.0
 RM:  18.0 - 40.0
 RM:   0.0 - 18.0
 2014 Comprehensive Hydrographic Survey - LMR Mile 0 - 200
RM: 200.0-174.2 
RM: 174.2-145.0 
RM: 145.0-122.0 
RM: 122.0-100.0 
RM: 100.0-78.0 
RM: 79.0-50.0
RM: 50.0-23.0 
RM: 23.0-0.0 
 2014 Comprehensive Hydrographic Survey - UMR Mile 201.0 - 301.0
 2014 Comprehensive Hydrographic Survey - ILW Mile 0.0 - 80.0
RM: 0.0-80.0 
 2015 Comprehensive Hydrographic Survey - LMR Mile 0 - 200
- RM: 201.0-179.0
- RM: 178.0-152.0
- RM: 152.0-137.0  
- RM:137.0-110.0 
- RM:110.0-72.0
- RM:72.0-35.0 
- RM: 35.0-0.0
 2015 Comprehensive Hydrographic Survey - UMR Mile 201.0 - 301.0
- RM: 301.0 - 273.0 
- RM: 274.0 - 241.0 
- RM: 241.0 - 201.0 
 2015 Comprehensive Hydrographic Survey - ILW Mile 0.0 - 80.0
- RM: 80.0 - 0.0 
 2016 Comprehensive Hydrographic Survey - KAS Mile 0.0 - 36.0
- RM: 0.0-36.0 
 2019 Comprehensive Hydrographic Survey - ILW Mile 0.0 - 80.0

- RM: 0.0-80.0

 2019 Comprehensive Hydrographic Survey - LMR Mile 0 - 200

- RM: 0.0-200

 2019 Comprehensive Hydrographic Survey - UMR Mile 201.0 - 301.0
 2020 Comprehensive Hydrographic Survey - ILW Mile 0.0 - 80.0

- RM: 0.0 - 80.0

 2020 Comprehensive Hydrographic Survey - LMR Mile 0 - 200

- RM: 0 - 200

 2020 Comprehensive Hydrographic Survey - UMR Mile 201.0 - 301.0
 2024 Comprehensive Hydrographic Survey - KAS Mile 0.0 - 36.0
- RM: 1.0-6.0
- RM: 6.0-24.0
- RM: 24.0-35.5