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2018-08-10 · Warblers abundant Numbers of warblers were at times as high as in any src=https:reader033vdocumentsmxreader033viewer20220506065faded187a7c893a516455c2html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: University of Wisconsin–MadisonimageslibrarywisceduEcoNatResEFacsPassPigeonppv30 · 2018-08-10 · Warblers abundant Numbers of warblers were at times as high as in any src=https:reader033vdocumentsmxreader033viewer20220506065faded187a7c893a516455c2html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: University of Wisconsin–MadisonimageslibrarywisceduEcoNatResEFacsPassPigeonppv30 · 2018-08-10 · Warblers abundant Numbers of warblers were at times as high as in any src=https:reader033vdocumentsmxreader033viewer20220506065faded187a7c893a516455c2html5thumbnails5jpg 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Wisconsin–MadisonimageslibrarywisceduEcoNatResEFacsPassPigeonppv30 · 2018-08-10 · Warblers abundant Numbers of warblers were at times as high as in any src=https:reader033vdocumentsmxreader033viewer20220506065faded187a7c893a516455c2html5thumbnails8jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 9button div class=ts-image amp-img class=ts-thumb alt=Page 9: University of Wisconsin–MadisonimageslibrarywisceduEcoNatResEFacsPassPigeonppv30 · 2018-08-10 · Warblers abundant Numbers of warblers were at times as high as in any src=https:reader033vdocumentsmxreader033viewer20220506065faded187a7c893a516455c2html5thumbnails9jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 10button div class=ts-image amp-img class=ts-thumb alt=Page 10: University of Wisconsin–MadisonimageslibrarywisceduEcoNatResEFacsPassPigeonppv30 · 2018-08-10 · Warblers abundant Numbers of warblers were at times as high as in any 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2018-08-10 · Warblers abundant Numbers of warblers were at times as high as in any src=https:reader033vdocumentsmxreader033viewer20220506065faded187a7c893a516455c2html5thumbnails15jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 16button div class=ts-image amp-img class=ts-thumb alt=Page 16: University of Wisconsin–MadisonimageslibrarywisceduEcoNatResEFacsPassPigeonppv30 · 2018-08-10 · Warblers abundant Numbers of warblers were at times as high as in any src=https:reader033vdocumentsmxreader033viewer20220506065faded187a7c893a516455c2html5thumbnails16jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 17button div class=ts-image amp-img class=ts-thumb alt=Page 17: University of Wisconsin–MadisonimageslibrarywisceduEcoNatResEFacsPassPigeonppv30 · 2018-08-10 · Warblers abundant Numbers of warblers were at times as high as in any 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