[Mort Roberts, 1964]
Roberts, 1964 (Photo courtesy of NRAO/AUI/NSF)

[Mort Roberts, 1969]
Roberts, 1969 (Photo courtesy of NRAO/AUI/NSF)

[Mort Roberts, 1969]
Roberts with the 300 foot, 1969 (Photo courtesy of NRAO/AUI/NSF)

[Roberts, undated]
Roberts with the 140 foot (Photo courtesy of NRAO/AUI/NSF)