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This category has the following 9 subcategories, out of 9 total.
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The following 2 pages are in this category, out of 2 total.
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Pages in category "Ordovician stratigraphic units of Canada"
18:Category:Silurian stratigraphic units of Canada
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212:This list may not reflect recent changes
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101:Ordovician Newfoundland and Labrador
261:Ordovician System of North America
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114:Ordovician Northwest Territories
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151:Ordovician Ontario
127:Ordovician Nunavut
41:Ordovician Alberta
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237:Utica Shale
155:(1 C, 21 P)
250:Categories
175:(31 P)
105:(18 P)
195:(1 P)
131:(8 P)
118:(8 P)
85:(6 P)
65:(8 P)
45:(8 P)
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232:U
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184:Y
164:Q
140:O
94:N
74:M
54:B
34:A
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