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| This study by Janet Ruth of the USGS is comparing sparrow use and vegetation on burned and unburned grassland sites near Elgin, AZ. |
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| 2 Images | Generated by JAlbum 7.3 & Chameleon | Help |
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| This study by Janet Ruth of the USGS is comparing sparrow use and vegetation on burned and unburned grassland sites near Elgin, AZ. |
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| 2 Images | Generated by JAlbum 7.3 & Chameleon | Help |