Salachi - Suiyuan. Irrigation channel thru rock. Shiching kauman.GrayscalePendleton nitrate negative, Box 4 of 38
Salachi - Suiyuan. Intake buildings & fortifications.GrayscalePendleton nitrate negative, Box 3 of 3...
Salachi - Suiyuan. The heads works. Huang Ho [Yellow River] beyond.GrayscalePendleton nitrate negati...
Salachi - Suiyuan. Orchard, Shiching kauman.GrayscalePendleton nitrate negative, Box 4 of 38
Salachi - Suiyuan. River wash & old terrace Shiching kauman.GrayscalePendleton nitrate negative, Box...
Salachi - Suiyuan. Across head of canal, intake quarters beyond.GrayscalePendleton nitrate negative,...
Salachi - Suiyuan. Intake of local canal Shiching kaumanGrayscalePendleton nitrate negative, Box 4 o...
Salachi - Suiyuan. The main canal.GrayscalePendleton nitrate negative, Box 3 of 38
Salachi - Suiyuan. Heaps of soil for salt extraction.GrayscalePendleton nitrate negative, Box 3 of 3...
Salachi - Suiyuan. Silt micro-crossbedding old river channel bank.GrayscalePendleton nitrate negativ...
Salachi - Suiyuan. Cutting the dyke.GrayscalePendleton nitrate negative, Box 3 of 38
Salachi - Suiyuan. Alluvial fans below Hat zuge. Gravelly sandy loam.GrayscalePendleton nitrate nega...
Salachi - Suiyuan. Additional salty soil scraped up. KungtsipanGrayscalePendleton nitrate negative, ...
Salachi - Suiyuan. Detail of drill.GrayscalePendleton nitrate negative, Box 4 of 38
Salachi - Suiyuan. The growing stream, Huang Ho [Yellow River].GrayscalePendleton nitrate negative, ...
Salachi - Suiyuan. Alluvial fans west from Sa ho ching.GrayscalePendleton nitrate negative, Box 4 of...
Salachi - Suiyuan. Intake buildings & fortifications.GrayscalePendleton nitrate negative, Box 3 of 3...
Salachi - Suiyuan. The heads works. Huang Ho [Yellow River] beyond.GrayscalePendleton nitrate negati...
Salachi - Suiyuan. Orchard, Shiching kauman.GrayscalePendleton nitrate negative, Box 4 of 38
Salachi - Suiyuan. River wash & old terrace Shiching kauman.GrayscalePendleton nitrate negative, Box...
Salachi - Suiyuan. Across head of canal, intake quarters beyond.GrayscalePendleton nitrate negative,...
Salachi - Suiyuan. Intake of local canal Shiching kaumanGrayscalePendleton nitrate negative, Box 4 o...
Salachi - Suiyuan. The main canal.GrayscalePendleton nitrate negative, Box 3 of 38
Salachi - Suiyuan. Heaps of soil for salt extraction.GrayscalePendleton nitrate negative, Box 3 of 3...
Salachi - Suiyuan. Silt micro-crossbedding old river channel bank.GrayscalePendleton nitrate negativ...
Salachi - Suiyuan. Cutting the dyke.GrayscalePendleton nitrate negative, Box 3 of 38
Salachi - Suiyuan. Alluvial fans below Hat zuge. Gravelly sandy loam.GrayscalePendleton nitrate nega...
Salachi - Suiyuan. Additional salty soil scraped up. KungtsipanGrayscalePendleton nitrate negative, ...
Salachi - Suiyuan. Detail of drill.GrayscalePendleton nitrate negative, Box 4 of 38
Salachi - Suiyuan. The growing stream, Huang Ho [Yellow River].GrayscalePendleton nitrate negative, ...
Salachi - Suiyuan. Alluvial fans west from Sa ho ching.GrayscalePendleton nitrate negative, Box 4 of...
Salachi - Suiyuan. Intake buildings & fortifications.GrayscalePendleton nitrate negative, Box 3 of 3...
Salachi - Suiyuan. The heads works. Huang Ho [Yellow River] beyond.GrayscalePendleton nitrate negati...
Salachi - Suiyuan. Orchard, Shiching kauman.GrayscalePendleton nitrate negative, Box 4 of 38