div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: University of Wisconsin–MadisonimageslibrarywisceduEcoNatResEFacsPassPigeonppv14 · 2018 8 10 · ating ornithological discussion Many slept in their sleeping bags src=https:reader033vdocumentsmxreader033viewer20220519005fee9b7d4c3db6339e56ef98html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: University of Wisconsin–MadisonimageslibrarywisceduEcoNatResEFacsPassPigeonppv14 · 2018 8 10 · ating ornithological discussion Many slept in their sleeping bags src=https:reader033vdocumentsmxreader033viewer20220519005fee9b7d4c3db6339e56ef98html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: University of Wisconsin–MadisonimageslibrarywisceduEcoNatResEFacsPassPigeonppv14 · 2018 8 10 · ating ornithological discussion Many slept in their sleeping bags src=https:reader033vdocumentsmxreader033viewer20220519005fee9b7d4c3db6339e56ef98html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdiv