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Towboat pushing the barge with freight on the Mississippi River midsummer.

A series of locks and dams on the Upper Mississippi River, like this one at Dubuque, Iowa, were built in the 1930s to facilitate commercial navigation and control floods.

Grain being loaded into freight barges on Mississippi river

A tugboat pushing a barge through a canal along the Mississippi River just north of the city of St. Louis from an altitude of about 600 feet.

barges on Chain of Rocks Canal of the Mississippi River above St Louis - aerial view

Digging from the bottom of the river, loading a barge and making a pier. Kazan city, Russia

This high-resolution photo shows the Eidersperrwerk, a flood protection dam located on the Eider river in Germany. The massive concrete structure stands tall against the backdrop of a clear blue sky, with the calm waters of the river flowing behind it. The Eidersperrwerk serves as a vital component of the region's flood control system, protecting the surrounding communities from the dangers of rising water levels. This photograph would be a suitable addition to any project related to civil engineering, flood prevention, or infrastructure.

Towboat pushing barges north on the Mississippi River

ZAPORIZHYA, UKRAINE - JUNE 17, 2023: View of the hills and debris from the bottom of the dried up river Dnieper in Ukraine. Technogenic disaster in Ukraine. River after the explosion of the Kakhovskaya hydroelectric power station

Spillway in the reservoir, The brown water gushing down a spillway from a reservoir. the waterway of the spillway

View over the Hudson river from the New Jersey turnpike. This is on a very wet and dark spring day with mist over the industrial area on the river.

Barge with cargo on the Mississippi River

New Hamburg, Wilmot, Canada

Overhead Shot of Dam and Lock on the Ohio River

New York, USA, April 13, 2023 - The Waste Disposal Vessel RED HOOK on the Hudson River, with Hoboken, New Jersey in the background.

Barge on the Mississippi River on a beautiful Summer morning. Bellevue, Iowa, USA

$View of water gates used to control flow of water through the California Aqueduct, as is flows southward.\n\nTaken near Los Banos, California$

close up building near river

A lock on a man-made tributary diverting water from the natural river to the east to overcome the annual variances in water depth on the river in order to maintain the shipping trade along the Mississippi River in the central United States. This aerial view is just outside of St. Louis, Missouri on the Illinois side of the river.

Novi Sad New Bridge Construction on The Danube River in Vojvodina, Serbia

Mississippi River at La Crosse, Wisconsin, USA. Mississippi River Bridge, also known as Cass Street Bridge, before construction of additional span in 2004. Cantilever truss construction. Houses built over water, grain barge. 1979. Ektachrome scanned film with grain.

A lock and dam on the Mississippi River

Aerial shot of the small town of Elizabeth, Pennsylvania on a summer morning. The shot includes coal barges on the Monongahela River.

The Eider Barrage on North Sea in Germany

Flow on a river.

A towboat pushes barges north on the Mississippi River.

container ship and jet skis at harbor in Trois-Rivieres in Canada

Aerial photo Kentucky hydroelectric Dam over Tennessee River USA

Sorel-Tracy, Montérégie, Quebec, Canada: south bank of the St. Lawrence River - Regard-sur-le-fleuve park - river view- St. Lawrence River / Lake Saint Pierre.

Free Images: "bestof:Construction of wing dams in the upper Mississippi River often renders conditions unfavorable for mussels that previously throve.jpeg check categories 18"

Boat on Mississippi river.jpg

Surveying for mussels in drained river.jpg

Wetlands upper Kanuti river.jpg

Beaver dam on river.jpg

Brown bear in the upper Rusian river.jpg

Brown bear in the upper Russian river.jpg

Upper Ivishak river valley from plane.jpg

Standing Paddleboarders and Rowers in Upper Newport Bay (Newport Beach, California).jpg

Great_Indian_Hornbill..jpg

Gfp-wisconsin-nelson-dewey-state-park-leaves-on-the-forest-floor.jpg

Pere Marquette.JPG

DePere_Lock_&_Dam_VIEW_NORTHWEST,_lower_gate_of_lock.jpg

Design_Analysis_of_the_Boeing_B-17G_Flying_Fortress.png

portugues-sexo_alemão-sex_ingles-sex_africano-seks_russo-секс_albanes-sex_chines-性別_bulgaro-секс_croata-spol_gales-rhyw_coreano-섹스_frances-sexe_japones-セックス_filandes-sukupuolesta_arabe-الجنس_prontos_ai_tens_em_15_linguas_a_p.jpg

portugues-sexo_alemão-sex_ingles-sex_africano-seks_russo-секс_albanes-sex_chines-性別_bulgaro-секс_croata-spol_gales-rhyw_coreano-섹스_frances-sexe_japones-セックス_filandes-sukupuolesta_arabe-الجنس_prontos_ai_tens_em_15_linguas_a_p.jpg

portugues-sexo_alemão-sex_ingles-sex_africano-seks_russo-секс_albanes-sex_chines-性別_bulgaro-секс_croata-spol_gales-rhyw_coreano-섹스_frances-sexe_japones-セックス_filandes-sukupuolesta_arabe-الجنس_prontos_ai_tens_em_15_linguas_a_p.jpg

FMIB_38243_Construction_of_wing_dams_in_the_upper_Mississippi_River_often_renders_conditions_unfavorable_for_mussels_that_previously_throve.jpeg

FMIB_38228_Red_River,_near_Campti_La,_a_turbid_stream_with_caving_banks_and_shifting_bottom,_quite_unfavorable_for_mussels.jpeg

FMIB_38238_North_Fork_of_Kentucky_River,_near_Jackson,_Ky,_with_sand_bottom_and_conditions_unfavorable_for_mussels_(Danglade).jpeg

FMIB_35669_Views_of_the_Shell_of_a_Mussel_Collected_in_the_James_River_at_Huron,_S_Dak.jpeg

FMIB_38885_Deerhorn_or_Buckhorn_(Tritigonia_verrucosa)_Upper_figure_Hatchet-Back_or_Hackle-Back_(Symphynota_complanatu)_Lower_figure.jpeg

FMIB_32560_The_clamming_outfet_used_in_the_mussel_work_on_the_Upper_Mississippi_River.jpeg

FMIB_38268_Quadrula_ebenus_(Lea)_from_Mississippi_River_Upper_Pair;_Quadrula_solida_(Lea)_from_Mississippi_River_Lower_pair.jpeg

FMIB_38317_Paper-shell,_anodonta_suborbiculata_(Say),_upper;_Spectacle-case,_Margaritana_monodonta_(Say),_from_Mississippi_River,_lower.jpeg

FMIB_38227_Upper_waters_of_Grand_River_Habitat_of_mussels_in_shallow_swift_water.jpeg

FMIB_38234_Lower_portion_of_Grand_River,_Mich,_where_mussels_thrive_under_natural_conditions.jpeg

FMIB_38272_Grandma,_Lampsilis_ovata_(Say),_from_Cumberland_River,_upper;_Pocketbook,_Lampsilis_capax_(Green),_from_Mississippi_River,_lower.jpeg

FMIB_38323_Elephant's_ear,_Unio_crassidens_(Lamarck),_from_Mississippi_River,_upper_pair;_Spike,_Unio_gibbosus_(Barnes),_from_Mississippi.jpeg

FMIB_38241_Lake_Pepin,_an_expansion_of_the_Mississippi_River_between_Wisconsin_and_Minnesota,_a_favorable_habitat_for_fresh-water_mussels.jpeg

FMIB_38887_Cooking_Mussels_to_Remove_the_Meats_Shore_of_the_Mississippi_in_Midwinter.jpeg

FMIB_38269_Washboard,_Quadrula_heros_(Say),_from_Mississippi_River,_upper_and_middle;_Buckhorn,_Tritogonia_tuberculata_(Barnes)_from.jpeg

FMIB_38256_Pink_heel-splitter,_Lampsilis_alata_(Say),_from_Mississippi_River,_Upper_left_and_middle_right;_White_heel-splitter,_Symphynota.jpeg

FMIB_38271_Kidney-shell,_Ptychobranchus_phaseolus_(Hildreth),_from_Obey_River,_Ky,_upper_pair;_Rock_pocketbook,_Arcidens_confragosus_(Say.jpeg

FMIB_38275_Southern_mucket,_Lampsilis_ligamentina_gibba_Simpson,_from_Black_River,_Ark,_upper_pair;_Higgin's_eye,_Lampsilis_higginsii_(Lea.jpeg

FMIB_38235_Lower_portion_of_Grand_River_where_conditions_have_been_rendered_unsuitable_for_mussels_by_canalization_in_interest_of_navigation.jpeg

FMIB_38857_Pocketbook_Clam_(Lampsilis_ventricosus).jpeg

FMIB_38858_Pocketbook_Clam_(Lampsilis_copax).jpeg

FMIB_41538_Installation_of_this_fish_ladder_over_the_Dee_Dam_in_the_East_Fork_of_Hood_River_will_improve_angling_conditions_materially_in.jpeg

FMIB_38875_Musket_(Lampsilis_ligamentinus)_Outside_and_inside_views_Slough_Sand_Shell_(Lampsilis_fallaciosus).jpeg

FMIB_38882_Crowfood_dredge_or_grapple,_showing_mussels_attached_to_the_hooks.jpeg

FMIB_38868_Loading_Mussels_on_Scows_at_Leclaire,_Iowa,_for_Transportation_to_Muscatine.jpeg

FMIB_38869_Yellow_Sand_Shell_or_Yellow-Back_(Lampsilis_anodontoides)_First_figure_a_male,_second_a_female_Black_Sand_Shell_(Lampsilis.jpeg

FMIB_38881_Bullhead_(Pleurobema_aesopus)_Warty-Back_(Quadrula_pustulosa)_Butterfly_(Plagiola_securis)_Outside_and_inside_views.jpeg

FMIB_38854_Glimpse_of_the_Mussel_Business_at_Leclaire,_Iowa,_where_the_mussels_are_bought_from_the_fishermen,_cleaned,_and_the_shells_sent.jpeg

The_Quarterly_journal_of_the_Geological_Society_of_London_(12894997703).jpg

The_Quarterly_journal_of_the_Geological_Society_of_London_(12685070334).jpg

The_Quarterly_journal_of_the_Geological_Society_of_London_(13365616703).jpg

Non-Native American Nations Control over South America 1700 and on.gif

FMIB_38252_Quadrula_ebenus_(Lea)_from_Mississippi_River_Upper_and_Middle;_Hickory-nut,_Obovaria_elipis_(Lea)_from_Mississippi_River_Lower.jpeg

Photograph_with_caption_"Upper_Miss._River,_Dam_No._8...Cofferdam_construction_completed."_-_NARA_-_282385.tif

Photograph_with_caption_"Upper_Miss._River,_Dam_No._8...Cofferdam_construction_completed."_-_NARA_-_282385.jpg

President_Franklin_D._Roosevelt_and_party._Near_Minneiska,_Minnesota._-_NARA_-_285977.tif

President_Franklin_D._Roosevelt_and_party._Near_Minneiska,_Minnesota._-_NARA_-_285977.jpg

President_Franklin_D._Roosevelt_and_party._Near_Minneiska,_Minnesota._-_NARA_-_285978.tif

President_Franklin_D._Roosevelt_and_party._Near_Minneiska,_Minnesota._-_NARA_-_285978.jpg

FMIB_38312_Small_cutting_plant_and_operatives_on_Mississippi_River.jpeg

FMIB_39852_Shells_of_Fresh-Water_Mussel_(Unio_crassidens)_Mississippi_River.jpeg

FMIB_47822_Yellow_sand-shell,_Lampsilis_anodontoides_(Lea),_from_Mississippi_River.jpeg

FMIB_33241_Kanawha_River,_W_Va_Dam_No11.jpeg

FMIB_38232_Undredged_portion_of_the_Kankakee_River_where_valuable_mussels_flourish.jpeg

FMIB_35590_Fishway,_by_C_W_Trammer,_no286569.jpeg

FMIB_38226_Black_River,_Ark,_a_very_productive_mussel_stream.jpeg

FMIB_38246_Dredged_portion_of_the_Kankakee_River_rendered_(temporarily,_at_least)_unfit_for_fresh-water_mussels.jpeg

FMIB_47844_Kentucky_River,_KY,_USA;;_General_View_of_Dam_No7,_During_Construction.jpeg

FMIB_38853_Bluepoint_(Quadrula_undulata).jpeg

FMIB_38255_Pimple-back,_Quadrula_pustulata_(Lea)_a;_Purple_pimple-back,_Quadrula_granifera_(Lea),_from_Mississippi_River,_b_&_c;_Three.jpeg

FMIB_33236_Libschitz_Dam,_Bohemia;_View_showing_Trestles_for_Boule_Gates.jpeg

FMIB_35468_Auglaize_River,_2_miles_above_Defiance,_Ohio,_showing_the_small_islets_and_pools_containing_dense_beds_of_mussels.jpeg

FMIB_37740_Great_Falls_of_the_Cumberland,_85_feet_High,_a_Barrier_to_the_Ascent_of_Fish_and_Mussels.jpeg

Fish_and_Wildlife_Habitat_Changes_Resulting_from_Construction_of_a_Nine-Foot_Channel_on_Pools_24,_25,_and_26_of_the_Mississippi_River_and_the_Lower_Illinois_River_(Page_1)_BHL18560386.jpg

FMIB_38862_Tongs_and_rake_used_in_mussel_fishery_of_Mississippi_River.jpeg

FMIB_38886_Scow,_with_Dredge_and_Windlass,_Employed_in_Mussel_Fishery_of_Mississippi_River.jpeg

FMIB_38261_Mucket,_Lampsilis_ligamentina_(Lamarck),_upper_and_middle;_Rainbow-shell,_Lampsilis_iris_(Lea),_from_Tippecanoe_River,_Ind,_at.jpeg

FMIB_38264_Purply,_Lampsilis_purpurata_(Lamarck),_from_Kiamichi_River,_Ikla,_Upper_pair;_Lampsilis_multiradiola_(Lea),_from_Stone_River.jpeg

FMIB_38284_Floater,_Anodonta_grandis_(Say),_from_James_River,_SDak,_upper_and_middle;_River_pearl_mussel,_Margaritana_margaritifera.jpeg

FMIB_33251_Ohio_River_Dam_No6;_General_View_of_the_Navigation_Pass_(600_Feet_Long).jpeg

FMIB_35465_Dried_bed_of_the_Feeder_Canal,_showing_mud_cracks_and_mussel_shells_in_situ.jpeg

FMIB_38254_Three-ridge,_Quadrula_undulata_(Barnes),_from_James_River,_S_Dak,_upper_pair;_Blue-point,_Quadrula_picata_(Say),_from_Illinois.jpeg

FMIB_38258_Ohio_River_pig-toe,_Quadrula_obliqua_(Lamarck),_from_Ohio_River_Upper_Pair;_Pig-toe,_Quadrula_undata_(Barnes)_from_Illinois.jpeg

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