File:Acer tigilense as Acer minor USNM P36990 Plate27 Fig4.jpg

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English: Knowlton Plate 27 fig 4; First figured as Acer minor. Specimens later reidentified as Acer tigilense by Wolfe & Tanai, 1987

Langhian (Barstovian), Middle Miocene; Spokane Florule, Latah Formation; Deep Creek, Northwest of Spokane, Washington, U.S.A.

Department of Paleobotany, National Museum of Natural History, Smithsonian Institution, Washington, District of Columbia; specimen #P36990; collected by Henry Fair and Kirk Bryan, June 24, 1923.
Date
Source Knowlton, F.H. (1926). "Flora of the Latah Formation of Spokane, Washington, and Coeur d'Alene, Idaho". Shorter contributions to general geology, 1925 (PDF) (Report). Professional Paper. 140. United States Geological Survey. pp. 17–55, plates VIII-XXXI. doi:10.3133/pp140A.
Author Knowlton. Frank Hall, 1926

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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.

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current20:41, 16 October 2023Thumbnail for version as of 20:41, 16 October 2023142 × 121 (14 KB)Kevmin (talk | contribs)Uploaded a work by Knowlton. Frank Hall, 1926 from {{cite report |last1=Knowlton |first1=F.H. |year=1926 |chapter=Flora of the Latah Formation of Spokane, Washington, and Coeur d'Alene, Idaho |title=Shorter contributions to general geology, 1925 |series=Professional Paper |publisher=United States Geological Survey |volume=140 |pages=17-55, plates VIII-XXXI |doi=10.3133/pp140A |url=https://pubs.usgs.gov/pp/0140a/report.pdf}} with UploadWizard

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