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Bradley, Pat
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Abies balsamea (L.) Mill. (balsam fir)
Abies concolor (Hook.) Nutt. (white fir)
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Objects (131 results)

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Evergreen Nature Trail Guide, cover art
DrawingEvergreen Nature Trail Guide, cover art

1940s

Watts, May Theilgaard

DrawingBotanical Terms Used in Describing Leaves, page 1

July 1944

Watts, May Theilgaard

DrawingBotanical Terms Used in Describing Leaves, page 2

July 1944

Watts, May Theilgaard

DrawingBotanical Terms Used in Describing Leaves, page 3

July 1944

Watts, May Theilgaard

DrawingBotanical Terms Used in Describing Leaves, page 4

July 1944

Watts, May Theilgaard

DrawingYellow Pond Lily

1940s

Watts, May Theilgaard

DrawingSome New England Trees

1940s

Watts, May Theilgaard

DrawingAn Example of Parallel Species

1940s

Watts, May Theilgaard

DrawingThree Trees Whose Relatives Are Largely In the Tropics

1940s

Watts, May Theilgaard

DrawingA Bur Oak Twig

1940s

Watts, May Theilgaard

DrawingTwo Cattails

1940s

Watts, May Theilgaard

DrawingVernal Witch-hazel

mid 20th century

Watts, May Theilgaard

DrawingSkunk Cabbage

mid 20th century

Watts, May Theilgaard

DrawingEmergent Plant Series: #1, Submerged Plant Stage

1950s

Watts, May Theilgaard

DrawingEmergent Plant Series: #2, Floating-Leaf Plant Stage

1950s

Watts, May Theilgaard

DrawingEmergent Plant Series: #3, Emergent-Plant Stage

1950s

Watts, May Theilgaard

DrawingEmergent Plant Series: #4, Pioneer Tree Stage

1950s

Watts, May Theilgaard

DrawingEmergent Plant Series: #5, Lowland Forest Stage

1950s

Watts, May Theilgaard

DrawingGrowth of Pond: Submerged Plant Stage

1940 – 1950

Watts, May Theilgaard

DrawingGrowth of Pond: Floating Plant Stage

1940 – 1950

Watts, May Theilgaard

DrawingGrowth of Pond: Emergent Plant Stage

1940 – 1950

Watts, May Theilgaard

DrawingGrowth of Pond: Pioneer Tree Stage

1940 – 1950

Watts, May Theilgaard

DrawingArboretum Landscape Teaching Aid Series: The Great Ice Sheet

mid 20th century

Watts, May Theilgaard

DrawingArboretum Landscape Teaching Aid Series: A River Emerged From Under A Glacier

mid 20th century

Watts, May Theilgaard

DrawingArboretum Landscape Teaching Aid Series: A Fence Long Gone Marked A Boundary

mid 20th century

Watts, May Theilgaard

DrawingArboretum Landscape Teaching Aid Series: An Apple Tree was Planted on a Farm

mid 20th century

Watts, May Theilgaard

Arboretum Landscape Teaching Aid Series: Confirmation from Old Maps
DrawingArboretum Landscape Teaching Aid Series: Confirmation from Old Maps

mid 20th century

Watts, May Theilgaard

DrawingArboretum Landscape Teaching Aid Series: Cut-Over and Grazed Land

mid 20th century

Watts, May Theilgaard

Arboretum Landscape Teaching Aid Series: Affirmation from Memories of Old Settlers, Part I
DrawingArboretum Landscape Teaching Aid Series: Affirmation from Memories of Old Settlers, Part I

mid 20th century

Watts, May Theilgaard

Arboretum Landscape Teaching Aid Series: Affirmation from Memories of Old Settlers, Part II
DrawingArboretum Landscape Teaching Aid Series: Affirmation from Memories of Old Settlers, Part II

mid 20th century

Watts, May Theilgaard

DrawingArboretum Landscape Teaching Aid Series: Trees Keep Records

mid 20th century

Watts, May Theilgaard

DrawingArboretum Landscape Teaching Aid Series: Early Settlers Brought Roses

mid 20th century

Watts, May Theilgaard

DrawingArboretum Landscape Teaching Aid Series: Indian Trails and Villages

mid 20th century

Watts, May Theilgaard

Arboretum Landscape Teaching Aid Series: Know, Know, Know Your Oaks, This Is How They Grow
DrawingArboretum Landscape Teaching Aid Series: Know, Know, Know Your Oaks, This Is How They Grow

mid 20th century

Watts, May Theilgaard

Arboretum Landscape Teaching Aid Series: Forest Met Prairie
DrawingArboretum Landscape Teaching Aid Series: Forest Met Prairie

mid 20th century

Watts, May Theilgaard

DrawingWinter Buds, #1

1940 – 1950

Watts, May Theilgaard

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