Showing 2751 results
Archival descriptionFigures used in articles and publications.
Figures used in articles and publications.
Hydrostatic testing.
Hydrostatic testing.
Portraits of Dorney.
Portraits of Dorney.
Signing the McDonald's Charter.
Signing the McDonald's Charter.
Toronto city hall.
Toronto city hall.
Unidentified negatives.
Unidentified negatives.
Peabody construction.
Peabody construction.
Aerial view of developing urban American areas.
Aerial view of developing urban American areas.
Panama scenery.
Panama scenery.
Colorado trees.
Colorado trees.
Chart displaying types of pollution.
Chart displaying types of pollution.
Diagram depicting cement design.
Diagram depicting cement design.
Fly ash grit.
Fly ash grit.
Pennsylvania housing development.
Pennsylvania housing development.
Diagram depicting catalytic cracking.
Diagram depicting catalytic cracking.
Nuclear station.
Nuclear station.
Coal station.
Coal station.
Peppered moths on tree bark.
Peppered moths on tree bark.
Oil refinery.
Oil refinery.
Steel factories.
Steel factories.
Map depicting death rates from bronchitis in 1950.
Map depicting death rates from bronchitis in 1950.
Normal lung.
Normal lung.
Damaged lung.
Damaged lung.
Diagram depicting alveoli and mucous glands within a bronchial tree.
Diagram depicting alveoli and mucous glands within a bronchial tree.
Gladiolen damage.
Gladiolen damage.
Thermals Ohio River.
Thermals Ohio River.
Hearn Generating Plant.
Hearn Generating Plant.
Inversion over London.
Inversion over London.
Ragweed.
Ragweed.
Stone erosion.
Stone erosion.
Row of houses.
Row of houses.
Pipe with soot.
Pipe with soot.
Blackened building.
Blackened building.
Mountain in Vermont.
Mountain in Vermont.
Mountain landscapes.
Mountain landscapes.
Atlanta Airport.
Atlanta Airport.
Oil fueled ship.
Oil fueled ship.
University Avenue, Waterloo.
University Avenue, Waterloo.
Vermont State Park.
Vermont State Park.
Coulee Experimental Forest, Wisconsin.
Coulee Experimental Forest, Wisconsin.
Coon Valley, Wisconsin.
Coon Valley, Wisconsin.
Shadbush.
Shadbush.
Coulee Experimental Forest, Wisconsin.
Coulee Experimental Forest, Wisconsin.
Riding Mountatin Park, Manitoba.
Riding Mountatin Park, Manitoba.
Peccary radio tracking, Arizona.
Peccary radio tracking, Arizona.
Jasper National Park, Alberta.
Jasper National Park, Alberta.
Peccaries in museum, Arizona.
Peccaries in museum, Arizona.
Roadrunner in museum, Arizona.
Roadrunner in museum, Arizona.
Desert scenery and vegetation, Arizona.
Desert scenery and vegetation, Arizona.
Spanish moss, Florida.
Spanish moss, Florida.
Disneyland, Florida
Disneyland, Florida
Historical monument, Fort St. Augustine, Florida.
Historical monument, Fort St. Augustine, Florida.
Florida rivers and canals.
Florida rivers and canals.
Florida ferries.
Florida ferries.
Pine savanna, Gainesville, Florida.
Pine savanna, Gainesville, Florida.
Florida College library.
Florida College library.
Florida beaches.
Florida beaches.
Trees.
Trees.
Sinkhole, Florida.
Sinkhole, Florida.
River.
River.
Pine trees in Ocala Forest, Florida.
Pine trees in Ocala Forest, Florida.
Lake Ontario.
Lake Ontario.
Beaver Valley.
Beaver Valley.
Mt. Desert Maine near Bar Harbor.
Mt. Desert Maine near Bar Harbor.
Lake scenery.
Lake scenery.
Grand river.
Grand river.
Agawar.
Agawar.
Vancouver island.
Vancouver island.
Recreational invent of landscape units.
Recreational invent of landscape units.
Frog blood.
Frog blood.
Cape Breton.
Cape Breton.
Hog gall bladder rupture.
Hog gall bladder rupture.
Grouse blood and biology.
Grouse blood and biology.
Gapeworm poynette pheasant's.
Gapeworm poynette pheasant's.
Capillarion stomach.
Capillarion stomach.
Deer samples.
Deer samples.
Slide of charts.
Slide of charts.
Bay of fundy.
Bay of fundy.
Grassy landscape blue sky clouds.
Grassy landscape blue sky clouds.
Grouse microscope slides.
Grouse microscope slides.
White trilliums and mayapples 124 amos.
White trilliums and mayapples 124 amos.
Puerto Peñasco.
Puerto Peñasco.
Arizona desert.
Arizona desert.
Martinique beach.
Martinique beach.
Garden schematic.
Garden schematic.
Beaver dam.
Beaver dam.
Adult muskrat sexing and aging.
Adult muskrat sexing and aging.
Steamboat channel from tower.
Steamboat channel from tower.
Rat kits in nest in house.
Rat kits in nest in house.
Unnamed specimen.
Unnamed specimen.
Grass and hat.
Grass and hat.
Young Y.H.B.
Young Y.H.B.
Wild coon chased out of rat house area.
Wild coon chased out of rat house area.
Tagged rat killed by hawk or owl intestines torn.
Tagged rat killed by hawk or owl intestines torn.
Landscape water and clouds.
Landscape water and clouds.
H.M.W.A.
H.M.W.A.
Man holding trap.
Man holding trap.
Geese over ditches.
Geese over ditches.
Rat feeding outside refuge area.
Rat feeding outside refuge area.
Redhead nest near sommers slough cattail bulrush cover.
Redhead nest near sommers slough cattail bulrush cover.
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