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" ... the latitude of Washington — latitude 39° — May 30 is about the proper date for the original census. In the latitude of Boston the work should not begin for a week later, while south of Washington an earlier date should be selected. The final... "
The Craftsman - 第 350 頁
1916
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The Oregon Sportsman, 第 3-4 卷

1915 - 574 頁
...Washington an earlier date should be selected. The final results of the census should be sent to this bureau about June 30 and should be accompanied by a statement...statement whether the area is dry upland or moist bottom land, the number of acres in each of the principal crops, or in permanent meadow, pasture, orchard,...
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Bulletin of the U.S. Department of Agriculture, 第 176-200 期

1916 - 1152 頁
...Washington an earlier date should be selected. The final results of the census should be sent to this bureau about June 30 and should be accompanied by a statement...selected area, defined so explicitly that it will bo possible 25 years hence to have the census repeated. The name of the present owner of the land should...
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Monthly Catalogue, United States Public Documents

1914 - 904 頁
...breeding pair. The final results of the census should be sent to the Biological Survey, Washington, DO, about June 30, and should be accompanied by a statement...possible 25 years hence to have the census repeated and comparisons made showing Increases or decreases in the bird population. A second census desired...
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California Fish and Game, 第 4-6 卷

1918 - 702 頁
...meadow. The final results of the count should be sent to this Bureau as soon afterward as convenient, and should be accompanied by a statement of the exact boundaries of the selected area, so explicitly defined that it will be possible 25 years hence to have the count repeated. The name...
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Weekly News Letter to Crop Correspondents, 第 1-2 卷

1913 - 528 頁
...Washington an earlier date should be selected. The final results of the census should be sent to tho Biological Survey, Department of Agriculture, Washington,...statement whether the area is dry upland or moist bottom land, the number of acres in each of Place. Cattle. Calves. Sheep. Goats. Swine. Chicago 111,241...
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Preliminary Census of Birds of the United States

Wells Woodbridge Cooke - 1915 - 16 頁
...Washington an earlier date should be selected. The final results of the census should be sent to this bureau about June 30 and should be accompanied by a statement...should be given, together with a careful description of ita character, including a statement whether the area is dry upland or moist bottom land, the number...
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