Original photograph: 13 x 10 cm, black & white photo, caption under photo reads "KP-2395-R2 - Klamath Project--FROG POND AREA Nettles in N-12-f lateral before spraying. About 1100' south of N-12 lateral. K. J. Greene, Photo. June 16, 1957", from Black Binders Digital reproduction of photograph: KP-2395-R2 - Klamath Project--FROG POND AREA, Black Binders, Bureau of Reclamation