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Construction for drainage of water after rains.
The Trans Alaska Pipeline makes it way across the many miles of Alaska. The pipeline carries oil from Northern Prudoe Bay to the Port of Valdez in the South.
Road works on the street, significant damage to the highway, repair of engineering communications paths
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Just an early evening shot of the Sinclair Dam at night. Sinclair Dam is part of beautiful Lake Sinclair in Milledgeville, Georgia.
The view of a tunnel that opens onto the lovely scenery of Southern Norway.
Weir at Wang Sila Laeng, Thailand.
Avalanche protection underpass on the million dollar highway in southwest Colorado between Ouray and Silverton Colorado in the San Juan mountains in western USA.
Modern bridge in Kiel Canal Germany
low water levels in freshwater reservoir due to summer 2022 drought in Yorkshire, England UK
massive construction of a small bridge over a stream where there is drainage by a concrete pipe. The railing is made of stone from limestone stones in the shape of a low rectangular wall
Regulated small stream in California.
Lake with eroded riverbank, taken on a sunny summers day
Cave or grotto, view from the outside. Mountainous terrain. Rocks and vegetation.
Pedestrian underpass
construction site for district heating - long-distance heating
Tunnel
Carmill dam, St Helens using a drone
A split canal bridge on the Stratford Canal, nr. Stratford upon Avon Warwickshire, English Midlands, England UK. The split was to allow ropes for the horses that pulled the narrow boats / barges. It is a warm sunny day in summer.
A view of the weir at Shrewsbury on the River Severn
Construction shot of major freeway off ramp in Southern California.
Old railroad tunnel on Olympic discovery trail
Nagareyama city, Chiba prefecture.
a hole in the floor..
A tunnel in budapest
Speeding Through Tunnel
Gatun locks on the Panama canal
Old 17th century river lock in the Limburg city of Sittard
Free Images: "bestof:Jenkins culvert (Gove Co) N side W spandrel 1.JPG en Jenkins culvert carrying county road M across an ephemeral stream about one-third of a mile east of county"
HollyMonument.jpg
Sunset_District,_East_Bakersfield,_Kern_County,_California._View_of_Negro_shacktown_settlement_(Suns_._._._-_NARA_-_521663.jpg
Rackett Hall (Nebraska) 2.JPG
Rackett Hall (Nebraska) 5.JPG
Rackett Hall (Nebraska) 4.JPG
Buckled_Rails.jpg
2016_Bitner_Ranch_Root_Cellar_Project.jpg
Road kern county.jpg
Installation of stream bedding material in the creek culvert.jpg
Nomada_aquilarium,_F,_Side,_ND,_Stutsman_County_2014-01-09-15.19.59_ZS_PMax.jpg
Nomada_superba,_M,_side,_West_Virginia,_Pleasants_County_2013-03-12-16.13.31_ZS_PMax.jpg
Osmia_atriventris,_F,_Side,_MD,_Washington_County_2013-08-09-17.47.51_ZS_PMax.jpg
Brown_Snake,_U,_Side,_MD,_PG_County_2013-08-05-17.08.10_ZS_PMax.jpg
Afternoon_Drive_(3).jpg
Nomada_fragariae,_F,_Side,_MD,_PG_County_2015-09-01-15.06.11_ZS_PMax_UDR.jpg
Trachusa_ridingsii,_M,_Side,_GA,_Baker_County_2015-02-10-13.54.33_ZS_PMax.jpg
Anthidium_oblongatum,_Gynandromorph,_Side,_PA,_Adams_County_2014-11-24-15.42.27_ZS_PMax.jpg
Gynandromorph,_Lasioglossum_hitchensi,_Side,_MD_St_Marys_County_2014-05-27-16.41.14_ZS_PMax.jpg
Lasioglossum_coeruleum,_F,_Side,_MD,_Talbot_County_2015-01-08-14.27.39_ZS_PMax.jpg
Lasioglossum_perpunctatum,_F,_Side,_MI,_Alger_County_2014-03-21-15.21.09_ZS_PMax.jpg
Melissodes_near_bimaculatus,_f,_virginia,_pulaski_county,_side_2016-12-16-13.52.jpg
Eloy,_Pinal_County,_Arizona._Squatter_camp,_across_the_road_from_the_cotton_gin._The_only_water_avai_._._._-_NARA_-_522272.jpg
Eloy,_Pinal_County,_Arizona._Squatter_camp,_across_the_road_from_the_cotton_gin._The_only_water_avai_._._._-_NARA_-_522517.jpg
Stream and muddy path in Union county park in NJ.JPG
Ebony_Jewelwing_Damselfly,_U,_Side_1,_PG_County,_Maryland_2013-06-12-16.05.04_ZS_PMax.jpg
Anthophora_ursina,_M,_Side,_Georgia,_Fannin_County_2014-10-24-16.21.jpg
Andrena_melanochroa,_F,_Side,_NC,_Moore_County_2014-01-07-16.11.33_ZS_PMax.jpg
Contra_Costa_County,_California._Little_boy_from_"back_East"_in_front_of_tar_paper_house_in_the_Davi_._._._-_NARA_-_521778.jpg
Coolidge,_Maricopa_County,_Arizona._Within_six-tenths_of_a_mile_run_on_the_Eastern_edge_of_this_town_._._._-_NARA_-_522484.jpg
Coolidge,_Maricopa_County,_Arizona._Within_six-tenths_of_a_mile_run_on_the_Eastern_edge_of_this_town_._._._-_NARA_-_522483.jpg
Coolidge,_Maricopa_County,_Arizona._Within_six-tenths_of_a_mile_run_on_the_Eastern_edge_of_this_town_._._._-_NARA_-_522230.jpg
Coolidge,_Maricopa_County,_Arizona._Within_six-tenths_of_a_mile_run_on_the_Eastern_edge_of_this_town_._._._-_NARA_-_522184.jpg
Coolidge,_Maricopa_County,_Arizona._Within_six-tenths_of_a_mile_run_on_the_Eastern_edge_of_this_town_._._._-_NARA_-_522179.jpg
Coolidge,_Maricopa_County,_Arizona._Within_six-tenths_of_a_mile_run_on_the_Eastern_edge_of_this_town_._._._-_NARA_-_522196.jpg
Coolidge,_Maricopa_County,_Arizona._Within_six-tenths_of_a_mile_run_on_the_Eastern_edge_of_this_town_._._._-_NARA_-_522481.jpg
Coolidge,_Maricopa_County,_Arizona._Within_six-tenths_of_a_mile_run_on_the_Eastern_edge_of_this_town_._._._-_NARA_-_522482.jpg
One_mile_south_of_Eloy,_Pinal_County,_Arizona._Store_and_office_at_grower's_camp_for_cotton_pickers._-_NARA_-_522226.jpg
One_mile_south_of_Eloy,_Pinal_County,_Arizona._School_bus_returns_children_to_grower's_camp_in_the_l_._._._-_NARA_-_522225.jpg
Airport_tract,_near_Modesto,_Stanislaus_County,_California._One_side_of_Conejo_Street_between_Canal_._._._-_NARA_-_521620.jpg
Sunset_District,_East_Bakersfield,_Kern_County,_California._High_school_students_from_the_Negro_shac_._._._-_NARA_-_521669.jpg
Sunset_District,_East_Bakersfield,_Kern_County,_California._Recreational_center_in_(African-American_._._._-_NARA_-_521664.jpg
Sunset_District,_East_Bakersfield,_Kern_County,_California._Housing_at_10_dollars_a_month._-_NARA_-_521667.jpg
Eloy,_Pinal_County,_Arizona._Squatter's_camp_of_cotton_pickers_across_the_railroad_tracks_of_western_._._._-_NARA_-_522275.jpg
Airport_tract,_near_Modesto,_Stanislaus_County,_California._Shows_the_other_side_of_Conejo_Street..._._._._-_NARA_-_521628.jpg
Nasonville sunrise.jpg
I-69_Construction_Indiana.jpg
Eloy_District,_Pinal_County,_Arizona._Cotton_pickers'_squatter_camp_seen_across_the_ginyard,_lettuce_._._._-_NARA_-_522268.jpg
Souderton PA Station Montco.jpg
Megachile_latimanus,_left_side_2012-07-13-18.27.jpg
Third Street RR bridge (Norfolk, Nebraska) from SW 2.JPG
Dirt road in winter.JPG
House in Honey Creek Swiss Historic District.jpg
Biltmore Estate-27527-3.jpg
Table Rock-27527.jpg
Hylaeus_georgicus,_M,_side,_320133_2013-01-09-17.12.09_ZS_PMax.jpg
Rhinoncomimus_latipes,_side_2015-06-24-15.34.11_ZS_PMax_UDR.jpg
Sheep at St Peters.JPG
Hovey Lake Archaeological District.jpg
Nomada_articulata,_m,_talbot,_md,_side_2015-05-17-16.42.36_ZS_PMax.jpg
Triepeolus_lunatus,_f,_right_side,_Charleston_Co.,_SC_2016-09-08-18.37.jpg
Diadasia_australis,_M,_side,_Pennington,_SD_2015-11-12-10.33.02_ZS_PMax_UDR.jpg
Smith Falls footbridge (Nebraska) from S 2.JPG
Colletes_nudus,_female,_side_2012-04-02-08.25.jpg
Melissodes_tepaneca,_f,_side,_SC,_Jasper_Co_2015-11-24-18.09.jpg
Lasioglossum_platyparium,_f,_side,_Charles_Co.,_MD_2016-03-15-23.30.jpg
Brown_Snake,_U,_Back,_MD,_PG_County_2013-08-05-16.34.03_ZS_PMax.jpg
Anthidium_oblongatum,_Gynandromorph,_Back,_PA,_Adams_County_2014-11-24-16.00.07_ZS_PMax.jpg
Anthidium_oblongatum,_Gynandromorph,_Face,_PA,_Adams_County_2014-11-24-14.46.16_ZS_PMax.jpg
Gynandromorph,_Lasioglossum_hitchensi,_Back,_MD,_St_Marys_County_2014-05-27-16.26.23_ZS_PMax.jpg
Long Beach road bridge jeh.JPG
Brown_Snake,_U,_Sde,_MD,_PG_County_2013-08-05-16.58.29_ZS_PMax.jpg
Bellingham_Fire_Dept:_Engine_1_Responding.jpg
Anthidium_oblongatum,_Gynandromorph,_Tip_of_Abdomen,_top,_PA,_Adams_County_2014-11-24-16.38.57_ZS_PMax.jpg
Triepeolus_lunatus,_f,_back,_Charleston_Co.,_SC_2016-09-08-18.14.jpg
Triepeolus_lunatus,_f,_face,_Charleston_Co.,_SC_2016-09-08-18.23.jpg
Eloy_District,_Pinal_County,_Arizona._This_camp_has_8_lumber_shacks,_12_tents_(without_floors),_2_to_._._._-_NARA_-_522018.jpg
Eloy_District,_Pinal_County,_Arizona._This_camp_has_8_lumber_shacks,_12_tents_(without_floors),_2_to_._._._-_NARA_-_522027.jpg
Marysville,_Yuba_County,_California._Marysville_Auto_Park,_a_private_auto_camp,_just_outside_of_town_._._._-_NARA_-_521796.jpg
The_Skylight.jpg
Megachile_coquilletti,_f,_left_side,_Pima_Co._Tucson,_AZ_2016-07-19-16.11.jpg
Triepeolus_distinctus,_m,_anne_arundel_co,_md,_back_2016-08-31-17.40.jpg
Augochlora_pura,_m,_right_side,_Hardy_Co._West_Virginia_2016-06-27-12.43.jpg
Agapostemon_virescens,_M,_side,_Mesa_Co,._Colorado_2014-01-08-14.56.08_ZS_PMax.jpg
Ryer_Island,_Sacramento_County,_California._Ranch_housing_for_Japanese_and_Filipino_asparagus_worker_._._._-_NARA_-_521705.jpg
Hoplitis_anthocopoides,_f,_side,_Washington_Co._Maryland_2016-03-29-17.03.jpg
Cowboy_Fire_(May_23,_2016).jpg
Shafter,_Kern_County,_California._Looking_down_on_part_of_the_Shafter_Farm_Labor_Camp_(F.S.A.)_in_co_._._._-_NARA_-_521770.jpg
Mink,_M,_Foot,_top,_MD,_PG_County,_Bowie_2015-03-03-12.08.53_ZS_PMax.jpg
Mink,_M,_Foot,_toe_pad,_MD,_PG_County,_Bowie_2015-03-03-11.57.46_ZS_PMax.jpg
Mink,_M,_Foot,_toe_pads,_MD,_PG_County,_Bowie_2015-03-03-12.02.23_ZS_PMax.jpg
Agapostemon_virescens,_f,_right_side,_Caroline_CO._MD_2016-04-15-17.09.jpg
H._B._McCalla,_successor_to_the_late_Andrew_McCalla,_No._252_Market_St._First_hat_&_cap_store_below_8th_St._south_side,_Philadelphia,_[ca._1852].jpg
SUNSET_AFTER_RAIN-NORTH_OF_DONNELLSON_-_NARA_-_552520.jpg
Near_Coolidge,_Arizona._View_of_Casa_Grande_cooperative_farm_in_third_year_of_operation._See_testimo_._._._-_NARA_-_522212.jpg
Near_Coolidge,_Arizona._View_of_Casa_Grande_cooperative_farm_in_third_year_of_operation._See_testimo_._._._-_NARA_-_522488.jpg
Near_Coolidge,_Arizona._View_of_Casa_Grande_cooperative_farm_in_third_year_of_operation._See_testimo_._._._-_NARA_-_522213.jpg
Sacramento,_California._Squatter_camp_of_agricultural_labor_migrants_one-eighth_mile_outside_limits_._._._-_NARA_-_521747.jpg
Mazinaw_Tramway_-_Gilmour_Logging_Built_1850s.jpg
Centerville,_California._Japanese-_owned_loganberry_farm._The_family_are_preparing_to_evacuate._T_._._._-_NARA_-_536023.jpg
Cheadle barn.jpg
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