Salachi - Suiyuan. Canal near lateral #1GrayscalePendleton nitrate negative, Box 3 of 38
Salachi - Suiyuan. Cutting the dam. Huang Ho [Yellow River] at leftGrayscalePendleton nitrate negati...
Salachi - Suiyuan. Old river channel 20-40 km S. E. SalachiGrayscalePendleton nitrate negative, Box ...
Salachi - Suiyuan. Silt micro-crossbedding old river channel bank.GrayscalePendleton nitrate negativ...
Salachi - Suiyuan. The main canalGrayscalePendleton nitrate negative, Box 3 of 38
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. Cutting the dyke.GrayscalePendleton nitrate negative, Box 3 of 38
Salachi - Suiyuan. Intake buildings & fortifications.GrayscalePendleton nitrate negative, Box 3 of 3...
Salachi - Suiyuan. Lateral #6, light soilsGrayscalePendleton nitrate negative, Box 4 of 38
Salachi - Suiyuan. An excavator.GrayscalePendleton nitrate negative, Box 3 of 38
Salachi - Suiyuan. Irrigation channel thru rock. Shiching kauman.GrayscalePendleton nitrate negative...
Salachi - Suiyuan. Cutting the dykeGrayscalePendleton nitrate negative, Box 3 of 38
Salachi - Suiyuan. The growing stream, Huang Ho [Yellow River].GrayscalePendleton nitrate negative, ...
Salachi - Suiyuan. Spectators & merchants.GrayscalePendleton nitrate negative, Box 3 of 38
Salachi - Suiyuan. The heads works. Huang Ho [Yellow River] beyond.GrayscalePendleton nitrate negati...
Salachi - Suiyuan. Cutting the dam. Huang Ho [Yellow River] at leftGrayscalePendleton nitrate negati...
Salachi - Suiyuan. Old river channel 20-40 km S. E. SalachiGrayscalePendleton nitrate negative, Box ...
Salachi - Suiyuan. Silt micro-crossbedding old river channel bank.GrayscalePendleton nitrate negativ...
Salachi - Suiyuan. The main canalGrayscalePendleton nitrate negative, Box 3 of 38
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. Cutting the dyke.GrayscalePendleton nitrate negative, Box 3 of 38
Salachi - Suiyuan. Intake buildings & fortifications.GrayscalePendleton nitrate negative, Box 3 of 3...
Salachi - Suiyuan. Lateral #6, light soilsGrayscalePendleton nitrate negative, Box 4 of 38
Salachi - Suiyuan. An excavator.GrayscalePendleton nitrate negative, Box 3 of 38
Salachi - Suiyuan. Irrigation channel thru rock. Shiching kauman.GrayscalePendleton nitrate negative...
Salachi - Suiyuan. Cutting the dykeGrayscalePendleton nitrate negative, Box 3 of 38
Salachi - Suiyuan. The growing stream, Huang Ho [Yellow River].GrayscalePendleton nitrate negative, ...
Salachi - Suiyuan. Spectators & merchants.GrayscalePendleton nitrate negative, Box 3 of 38
Salachi - Suiyuan. The heads works. Huang Ho [Yellow River] beyond.GrayscalePendleton nitrate negati...
Salachi - Suiyuan. Cutting the dam. Huang Ho [Yellow River] at leftGrayscalePendleton nitrate negati...
Salachi - Suiyuan. Old river channel 20-40 km S. E. SalachiGrayscalePendleton nitrate negative, Box ...
Salachi - Suiyuan. Silt micro-crossbedding old river channel bank.GrayscalePendleton nitrate negativ...