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Hydrographic Surveys
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Illinois Waterway
Illinois Waterway Surveys
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- RM 304-326: Junction to T.J. O'Brien Lock
- RM 304-325; Junction to Lake Street
- RM 291-304; Lockport Lock to Junction
- RM 286-291; Brandon Road Pool
- RM 280-286; Brandon Road Lock Lower Area
- RM 271-280; Dresden Lock Upper Area
- RM 264-271; Dresden Lock Lower Area
- RM 245-253; Marseilles Lock Upper Area
- RM 253-264; Grist Island Area
- RM 237-244; Marseilles Lock Lower Area
- RM 231-237; Starved Rock Lock Upper Area
- RM 227-231; Starved Rock Lock Lower Area
- RM 219-227; LaSalle-Peru Area
- RM 208-219; Spring Valley Lower Area
- RM 196-208; Henry Upper Area
- RM 181-196; Henry Lower Area
- RM 174-181; Peoria Lake Upper Area
- RM 158-163; Peoria Lock Upper Area
- RM 163-174; Peoria Lake Lower Area
- RM 150-158; Peoria Lock Lower Area
- RM 140-150; Kingston Mines Area
- RM 130-140; Copperas Creek Lock Area
- RM 120-130; Havana Upper Area
- RM 110-120; Havana Lower Area
- RM 100-110; Grand Island Lower Area
- RM 90-100; Sugar Creek Island Area
- RM 80-90; LaGrange Lock Upper Area
Lockport Pool
RM 304-326: Junction to T.J. O'Brien Lock
Posted 02/28/2014
RM 304-325; Junction to Lake Street
Posted 02/28/2014
RM 291-304; Lockport Lock to Junction
Posted 02/28/2014
Brandon Road Pool
RM 286-291; Brandon Road Pool
Posted 02/28/2014
Dresden Island Pool
RM 280-286; Brandon Road Lock Lower Area
Posted 02/28/2014
RM 271-280; Dresden Lock Upper Area
Posted 02/28/2014
Marseilles Pool
RM 264-271; Dresden Lock Lower Area
Posted 02/28/2014
RM 245-253; Marseilles Lock Upper Area
Posted 02/28/2014
RM 253-264; Grist Island Area
Posted 02/28/2014
Starved Rock Pool
RM 237-244; Marseilles Lock Lower Area
Posted 02/28/2014
RM 231-237; Starved Rock Lock Upper Area
Posted 02/28/2014
Peoria Pool
RM 227-231; Starved Rock Lock Lower Area
Posted 02/28/2014
RM 219-227; LaSalle-Peru Area
Posted 02/28/2014
RM 208-219; Spring Valley Lower Area
Posted 02/28/2014
RM 196-208; Henry Upper Area
Posted 02/28/2014
RM 181-196; Henry Lower Area
Posted 02/28/2014
RM 174-181; Peoria Lake Upper Area
Posted 02/28/2014
RM 158-163; Peoria Lock Upper Area
Posted 02/28/2014
RM 163-174; Peoria Lake Lower Area
Posted 02/28/2014
LaGrange Pool
RM 150-158; Peoria Lock Lower Area
Posted 02/28/2014
RM 140-150; Kingston Mines Area
Posted 02/28/2014
RM 130-140; Copperas Creek Lock Area
Posted 02/28/2014
RM 120-130; Havana Upper Area
Posted 02/28/2014
RM 110-120; Havana Lower Area
Posted 02/28/2014
RM 100-110; Grand Island Lower Area
Posted 02/28/2014
RM 90-100; Sugar Creek Island Area
Posted 02/28/2014
RM 80-90; LaGrange Lock Upper Area
Posted 02/28/2014
Rock Island District Reference Map
Click Pool Area or River Mile to Identify.
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