Last modified: 2003-03-01 by
Keywords: departmental | geological survey | united states |
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by Joe McMillan, 7 February 2003
The U.S. Geological Survey seal (and flag) consists of a ring of 13 white stars (representing the 13 original colonies), within which is an equilateral triangle (representing the symbol for a horizontal control point used in surveying), overlain by crossed hammers (a rock pick to the left, and a rock hammer to the right), and underlain by a "wave" symbol. These three symbols represent the original 3 divisions of the U.S. Geological Survey as follows:
triangle -- Topographic Division
pick & hammer -- Geologic Division
wave -- Water Resources Division
Recently, a fourth Division, the Biological Research Division, has been added, however I don't think there are plans to change the agency seal or flag.
Richard J. Reynolds, 5 February 2003 Hydrologist, U.S. Geological Survey
by Joe McMillan, 16 December 1999
U.S. Geological Survey - Blue with a white emblem consisting of two hammers crossed in saltire surmounting a triangle, all surrounded by a ring of 13 small white stars.
Joe McMillan, 16 December 1999