Add to ORKGNankou valley, NW of Peiping [Beijing]. Maize, millet, castor beans. West of Nantsun.GrayscalePendleton nitrate negative, Box 8 of 38
Nanking [Nanjing], NW of University of Nanking [Nanjing University].GrayscalePendleton nitrate negat...
Salachi - Suiyuan. Opium poppy field, well sweeps at right.GrayscalePendleton nitrate negative, Box ...
Shikingshan [Shijingshan] & Mentoukou [Mentougou] - Hopei. Mentoukow valley, Lung men & Mentoukow s...
Nankou valley, NW of Peiping [Beijing]. Twantsun chung nuanchi, western hills.GrayscalePendleton nit...
Shangho, near Harbin - Manchuria. Agricultural Expt. Station. Pingchian Hsien, Shangho.GrayscalePend...
Peiping [Beijing] to Chang Ping [Changping]. Hsi Yuen.GrayscalePendleton nitrate negative, Box 2 of ...
Environs of Peiping [Beijing]. Shifting sweet potato vines. Nantsun. NW of Peiping.GrayscalePendleto...
Yugovich and east; Harbin - Manchuria. A shallow valley, hemp, millet.GrayscalePendleton nitrate neg...
Peiping [Beijing] and Northwest. Rice in "One Hundred Springs Village" SW of Chang Ping [Changping]G...
Nankou valley, NW of Peiping [Beijing]. Jujubes & PersimmonsGrayscalePendleton nitrate negative, Box...
Environs of Peiping [Beijing]. Terraced hills & Hun Ho [Hun river] plain.GrayscalePendleton nitrate ...
Yugovich and west; Harbin - Manchuria. Tobacco, Sunyangkan village.GrayscalePendleton nitrate negati...
Tanjessu & Nautsun - Hopei. Sorghum & fruit near Nan tsun. Looking SE.GrayscalePendleton nitrate neg...
Nankou valley, NW of Peiping [Beijing]. Sino-French school, Peianho..GrayscalePendleton nitrate nega...
Hulan, south of. Helungkian - Manchuria. MilletGrayscalePendleton nitrate negative, Box 13 of 38
Nanking [Nanjing], NW of University of Nanking [Nanjing University].GrayscalePendleton nitrate negat...
Salachi - Suiyuan. Opium poppy field, well sweeps at right.GrayscalePendleton nitrate negative, Box ...
Shikingshan [Shijingshan] & Mentoukou [Mentougou] - Hopei. Mentoukow valley, Lung men & Mentoukow s...
Nankou valley, NW of Peiping [Beijing]. Twantsun chung nuanchi, western hills.GrayscalePendleton nit...
Shangho, near Harbin - Manchuria. Agricultural Expt. Station. Pingchian Hsien, Shangho.GrayscalePend...
Peiping [Beijing] to Chang Ping [Changping]. Hsi Yuen.GrayscalePendleton nitrate negative, Box 2 of ...
Environs of Peiping [Beijing]. Shifting sweet potato vines. Nantsun. NW of Peiping.GrayscalePendleto...
Yugovich and east; Harbin - Manchuria. A shallow valley, hemp, millet.GrayscalePendleton nitrate neg...
Peiping [Beijing] and Northwest. Rice in "One Hundred Springs Village" SW of Chang Ping [Changping]G...
Nankou valley, NW of Peiping [Beijing]. Jujubes & PersimmonsGrayscalePendleton nitrate negative, Box...
Environs of Peiping [Beijing]. Terraced hills & Hun Ho [Hun river] plain.GrayscalePendleton nitrate ...
Yugovich and west; Harbin - Manchuria. Tobacco, Sunyangkan village.GrayscalePendleton nitrate negati...
Tanjessu & Nautsun - Hopei. Sorghum & fruit near Nan tsun. Looking SE.GrayscalePendleton nitrate neg...
Nankou valley, NW of Peiping [Beijing]. Sino-French school, Peianho..GrayscalePendleton nitrate nega...
Hulan, south of. Helungkian - Manchuria. MilletGrayscalePendleton nitrate negative, Box 13 of 38
Nanking [Nanjing], NW of University of Nanking [Nanjing University].GrayscalePendleton nitrate negat...
Salachi - Suiyuan. Opium poppy field, well sweeps at right.GrayscalePendleton nitrate negative, Box ...
Shikingshan [Shijingshan] & Mentoukou [Mentougou] - Hopei. Mentoukow valley, Lung men & Mentoukow s...