images.library.wisc.eduimages.library.wisc.edu/EcoNatRes/EFacs/DNRBull/...Data Sources and Time...

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Transcript of images.library.wisc.eduimages.library.wisc.edu/EcoNatRes/EFacs/DNRBull/...Data Sources and Time...

Page 1: images.library.wisc.eduimages.library.wisc.edu/EcoNatRes/EFacs/DNRBull/...Data Sources and Time Periods All collections are divided into 3 time periods: 1900-31, 1959-74, and 1975-81.
Page 2: images.library.wisc.eduimages.library.wisc.edu/EcoNatRes/EFacs/DNRBull/...Data Sources and Time Periods All collections are divided into 3 time periods: 1900-31, 1959-74, and 1975-81.
Page 3: images.library.wisc.eduimages.library.wisc.edu/EcoNatRes/EFacs/DNRBull/...Data Sources and Time Periods All collections are divided into 3 time periods: 1900-31, 1959-74, and 1975-81.
Page 4: images.library.wisc.eduimages.library.wisc.edu/EcoNatRes/EFacs/DNRBull/...Data Sources and Time Periods All collections are divided into 3 time periods: 1900-31, 1959-74, and 1975-81.
Page 5: images.library.wisc.eduimages.library.wisc.edu/EcoNatRes/EFacs/DNRBull/...Data Sources and Time Periods All collections are divided into 3 time periods: 1900-31, 1959-74, and 1975-81.
Page 6: images.library.wisc.eduimages.library.wisc.edu/EcoNatRes/EFacs/DNRBull/...Data Sources and Time Periods All collections are divided into 3 time periods: 1900-31, 1959-74, and 1975-81.