See "Notes on the Native Trees of the Lower Wabash and White River Valleys, in Illinois and Indiana," by Robert Ridgway, Proceedings of United States National Museum, Volume 5, June 12, 1882, p. 49-88.
Written on recto: No. 20 - "Sycamore" - Platanus occidentalis. / [Height, about 175 ft.; spread, 126 ft.; diameter, 9 ft.]
Summary:
With Robert Ridgway standing at base of tree.
Cite as:
Smithsonian Institution Archives, Record Unit 95, Box 83, Folder 05, Image No. SIA_000095_B83_F05_005
Repository Loc.:
Smithsonian Institution Archives Capital Gallery, Suite 3000, MRC 507; 600 Maryland Avenue, SW; Washington, DC 20024-2520
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