Drawing
Evergreen Nature Trail Guide, page 11 illustrations and layout with preliminary sketches1940s
Watts, May Theilgaard
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Pine Hill, white pine plantings on Thornhill residence grounds in winter
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Pine Hill, white pine plantings on Thornhill residence grounds in winter
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Pinus strobus (Eastern White Pine), bark, branchAugust 16 2014
Brown, Deborah J. G.
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Pinus strobus (Eastern White Pine), bark, branchAugust 16 2014
Hedborn Jr., Edward A.
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Pinus strobus (Eastern White Pine), bark, branchAugust 16 2014
Hedborn Jr., Edward A.
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Pinus strobus (Eastern White Pine), bark, matureAugust 16 2014
Brown, Deborah J. G.
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Pinus strobus (Eastern White Pine), bark, matureAugust 16 2014
Hedborn Jr., Edward A.
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Pinus strobus (Eastern White Pine), bark, matureJune 18 2008
Hedborn Jr., Edward A.
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Pinus strobus (Eastern White Pine), bark, matureOctober 17 2009
Hedborn Jr., Edward A.
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Pinus strobus (Eastern White Pine), bark, twigAugust 16 2014
Hedborn Jr., Edward A.
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Pinus strobus (Eastern White Pine), cone, immatureJuly 10 2010
Brown, Deborah J. G.
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Pinus strobus (Eastern White Pine), cone, immatureJune 26 2014
Hedborn Jr., Edward A.
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Pinus strobus (Eastern White Pine), cone, matureJune 18 2008
Hedborn Jr., Edward A.
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Pinus strobus (Eastern White Pine), habit, fallOctober 10 2011
Hedborn Jr., Edward A.
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Pinus strobus (Eastern White Pine), habit, fallOctober 19 2016
Hedborn Jr., Edward A.