Observations on the survey of the sea coast of the United States.
- [Washington? 1827]
- 24 p. 22 cm.
Caption title. Paper read before the Columbian institute, on the 9th of December, 1826, by Col. Roberdeau, and reply to it by F.R. Hassler, dated New York, 8th January, 1827, both reprinted from the National journal of Washington.