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4H Boys photographing fawn in Itasca State Park
4-H Clubhouse on Lake Esquagama near Biwabik
Abe Nelson
A bit of Lake Itasca from Schoolcraft Island, entrance to East arm in distance
A. calamus
Acrtic Spotted Towhee at Mrs. Rollo Wells' feeder
Acrtic Spotted Towhee at Mrs. Rollo Wells' feeder
Acrtic Spotted Towhee at Mrs. Rollo Wells' feeder
Acrtic Spotted Towhee at Mrs. Rollo Wells' feeder
Acrtic Spotted Towhee at Mrs. Rollo Wells' feeder
Acrtic Spotted Towhee at Mrs. Rollo Wells' feeder
Adaptation, convergent, illustration from Henry Fairfield Osborn, "Origin and Evolution of Life"
Administration Building, Farm School
Administration Building, Farm School
Adult and young Junco
Adult and young Junco
Adult and young Junco
Adult and young Junco at attention
Adult Junco and young
Adult Junco feeding blueberry to young
Adult Junco feeling young
Advisory Committee (Box 77, Folder 19)
After shaft, Emu and pheasant, illustration from William Payne Pycraft's book
Agoseris glauca, false dandelion, detail of head
Agoseris glauca, false dandelion, detail of single head
Agoseris glauca, false dandelion, view of clump
A grove of white birches with leaves destroyed by the Birch Skeletonizer insect
Air sacs, diagrammatic drawing, illustration from William Payne Pycraft, "History of Birds"
Air sacs, schematic view, illustration from Frank E. Beddard, "The Structure and Classification of Birds"
Albatross breeding colony, image from "Birds of the World"
Albino Grackle
Albino Grackle
Albino Grackle
Alder
Alfred Peterson next to car at Pipestone Minnesota
Alfred Russell Wallace, portrait, image from a printed publication
American and Least Bitterns, illustration, plate 5 in Birds of Minnesota
American Bittern, defensive attitude, from a mounted print photograph
American Bittern, one young
American Bittern, one young
American Bitterns, four young
American Bitterns, four young
American Bitterns in grass, four young
American Bittern's nest
American Bittern's nest
American Bittern's nest
American Bittern's nest
American Bittern's nest and eggs uncovered
American Bittern's nest and eggs uncovered
American Bittern's nest, covered