Original photograph: 18 x 13 cm, black & white photo, caption under photo reads "KP-1289-R2--Klamath Project--Lost River below Boundary Dam Site--Track mower used by Southern Pacific Railroad for mowing of weeds along track right of way. R. S. Hopkins, Photo September 19, 1946", from Black Binders Digital reproduction of photograph: KP-1289-R2--Klamath Project--Lost River below Boundary Dam Site, Black Binders, Bureau of Reclamation