File Survey, 1936 green overprint In: Topographic Quadrangle Maps, 1895-1994 » 7.5 Minute, Scale 1:31,680 » Trenary-Whitney » Waldenburg 42082F8
File Walkerville NE 43086F1 In: Topographic Quadrangle Maps, 1895-1994 » 7.5 Minute, Scale 1:31,680 » Trenary-Whitney
File Survey, 1931 green overprint In: Topographic Quadrangle Maps, 1895-1994 » 7.5 Minute, Scale 1:31,680 » Trenary-Whitney » Walkerville NE 43086F1
File Walkerville NW 43086F2 In: Topographic Quadrangle Maps, 1895-1994 » 7.5 Minute, Scale 1:31,680 » Trenary-Whitney
File Survey, 1931 green overprint In: Topographic Quadrangle Maps, 1895-1994 » 7.5 Minute, Scale 1:31,680 » Trenary-Whitney » Walkerville NW 43086F2
File Walkerville SE 43086E1 In: Topographic Quadrangle Maps, 1895-1994 » 7.5 Minute, Scale 1:31,680 » Trenary-Whitney
File Survey, 1931 green overprint In: Topographic Quadrangle Maps, 1895-1994 » 7.5 Minute, Scale 1:31,680 » Trenary-Whitney » Walkerville SE 43086E1
File Whitney NE 45087H3 In: Topographic Quadrangle Maps, 1895-1994 » 7.5 Minute, Scale 1:31,680 » Trenary-Whitney
File Survey, 1932 green overprint In: Topographic Quadrangle Maps, 1895-1994 » 7.5 Minute, Scale 1:31,680 » Trenary-Whitney » Whitney NE 45087H3
File Whitney SE 45087G3 In: Topographic Quadrangle Maps, 1895-1994 » 7.5 Minute, Scale 1:31,680 » Trenary-Whitney