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. The Canadian field-naturalist. Figure 6. Ottawa Field-Naturalists' Club membership trend, 1879/1880 to 1974. Membership Hsts until 1971 (published in The Canadian Field-Naturalist until the early 1950s and/or reported in published Annual Reports) included all addressees to which The Canadian Field-Naturalist was sent. After 1971, however, the membership totals exclude non-voting subscribers and thus are no longer directly comparable to earlier numbers. Where gaps on the membership data occurred, such as when no lists or Annual Reports were published in some years in the 1920s, an intermediat
. The Canadian field-naturalist. Figure 6. Ottawa Field-Naturalists' Club membership trend, 1879/1880 to 1974. Membership Hsts until 1971 (published in The Canadian Field-Naturalist until the early 1950s and/or reported in published Annual Reports) included all addressees to which The Canadian Field-Naturalist was sent. After 1971, however, the membership totals exclude non-voting subscribers and thus are no longer directly comparable to earlier numbers. Where gaps on the membership data occurred, such as when no lists or Annual Reports were published in some years in the 1920s, an intermediate estimate was Figure 7. A geological field trip of The Ottawa Field-Namralists' Club along a railway rock cut north of Chelsea Grove in the Gatineau region of Quebec, north of Ottawa. The area's oldest and youngest deposits are in direct contact here. The trip leader was Dr. Henry Ami. From Trail & Landscape 13(3): 94; prepared from a lantern sUde original by Dr. Ami, now in the Library and Archives of Canada, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club
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Keywords: ., bookauthorottawafi, bookcentury1900, bookdecade1910, bookyear1919