First Geological Survey of Michigan, 1837–1840, Douglass Houghton, State Geologist; Abram Sager, Botanist and Zoologist, 1837; John Wright, State Botanist, 1838, assisted by George H. Bull [The date of this collection is uncertain, but other specimens were collected here by the Survey, August 29-31, 1837. The correct date may be August 28, 1837. The ink labels are in the hand of Mark W. Harrington, ca. 1870] [Correct year is doubtless 1837, and also the date on the label is very likely a copying error for Aug. 28, as noted by Rogers McVaugh; Coordinates arbitrarily placed at Jct. Michigan Ave. & Westnedge Ave.]