Add to ORKGNankou & ChangPing [Changping] - Hopei. Lung Ho village, east of NankouGrayscalePendleton nitrate negative, Box 1 of 38
Shikingshan [Shijingshan] & Mentoukou [Mentougou] - Hopei. Mentoukow, NW up the valleyGrayscalePend...
Peiping [Beijing] and Northwest. Rice in "One Hundred Springs Village" SW of Chang Ping [Changping]G...
Outside Taipingmen, Nanking [Nanjing]. NE road beyond TaipingmenGrayscalePendleton nitrate negative,...
Tanjessu & Nautsun - Hopei. Tanjessu.GrayscalePendleton nitrate negative, Box 8 of 38
South of Nanking [Nanjing]. Yu hwa tai villageGrayscalePendleton nitrate negative, Box 17 of 38
Shikingshan [Shijingshan] & Mentoukou [Mentougou] - Hopei. Mentoukow valley, Lung men & Mentoukow s...
Mentoukou [Mentougou] & Tanjessu. Sangyu village, from ridge south of Mentoukow.GrayscalePendleton n...
Sanchiatien [Sanjiadian] & Heishihto - Western Hills - Peiping [Beijing]. Heishihto villageGrayscale...
Nankou & ChangPing [Changping] - Hopei. Gravelly sand, NankouGrayscalePendleton nitrate negative, Bo...
Sanchiatien [Sanjiadian] & Heishihto - Western Hills - Peiping [Beijing]. HeishihtoGrayscalePendleto...
Li Chin Kou, west of - Tinghsien [Dingzhou] - Hopei [Hebei province]. Street & porch. Chi Pu village...
Tanjessu & Nautsun - Hopei. Tanjessu.GrayscalePendleton nitrate negative, Box 8 of 38
Hsiaoling wei, east of Nanking [Nanjing]. Hsiaoling wei townGrayscalePendleton nitrate negative, Box...
Outside Hopingmen to Maikouchiao, Nanking [Nanjing]. Shaotzan village, stone housesGrayscalePendleto...
Nankou valley, NW of Peiping [Beijing]. Twantsun chung nuanchi, western hills.GrayscalePendleton nit...
Shikingshan [Shijingshan] & Mentoukou [Mentougou] - Hopei. Mentoukow, NW up the valleyGrayscalePend...
Peiping [Beijing] and Northwest. Rice in "One Hundred Springs Village" SW of Chang Ping [Changping]G...
Outside Taipingmen, Nanking [Nanjing]. NE road beyond TaipingmenGrayscalePendleton nitrate negative,...
Tanjessu & Nautsun - Hopei. Tanjessu.GrayscalePendleton nitrate negative, Box 8 of 38
South of Nanking [Nanjing]. Yu hwa tai villageGrayscalePendleton nitrate negative, Box 17 of 38
Shikingshan [Shijingshan] & Mentoukou [Mentougou] - Hopei. Mentoukow valley, Lung men & Mentoukow s...
Mentoukou [Mentougou] & Tanjessu. Sangyu village, from ridge south of Mentoukow.GrayscalePendleton n...
Sanchiatien [Sanjiadian] & Heishihto - Western Hills - Peiping [Beijing]. Heishihto villageGrayscale...
Nankou & ChangPing [Changping] - Hopei. Gravelly sand, NankouGrayscalePendleton nitrate negative, Bo...
Sanchiatien [Sanjiadian] & Heishihto - Western Hills - Peiping [Beijing]. HeishihtoGrayscalePendleto...
Li Chin Kou, west of - Tinghsien [Dingzhou] - Hopei [Hebei province]. Street & porch. Chi Pu village...
Tanjessu & Nautsun - Hopei. Tanjessu.GrayscalePendleton nitrate negative, Box 8 of 38
Hsiaoling wei, east of Nanking [Nanjing]. Hsiaoling wei townGrayscalePendleton nitrate negative, Box...
Outside Hopingmen to Maikouchiao, Nanking [Nanjing]. Shaotzan village, stone housesGrayscalePendleto...
Nankou valley, NW of Peiping [Beijing]. Twantsun chung nuanchi, western hills.GrayscalePendleton nit...
Shikingshan [Shijingshan] & Mentoukou [Mentougou] - Hopei. Mentoukow, NW up the valleyGrayscalePend...
Peiping [Beijing] and Northwest. Rice in "One Hundred Springs Village" SW of Chang Ping [Changping]G...
Outside Taipingmen, Nanking [Nanjing]. NE road beyond TaipingmenGrayscalePendleton nitrate negative,...