Peiping [Beijing] and Northwest. Across eroded road. W. of Chang Ping [Changping]GrayscalePendleton nitrate negative, Box 2 of 38
Peiping [Beijing] and Northwest.GrayscalePendleton nitrate negative, Box 2 of 38
West of Peiping [Beijing] & Changchun, Kirin [Jilin], Manchuri. South Manchuria Ry [railway] park, C...
Nankou valley, NW of Peiping [Beijing]. Twantsun chung nuanchi, western hills.GrayscalePendleton nit...
Peiping [Beijing] and Northwest. Eroded soil road west of Chang Ping [Changping]GrayscalePendleton n...
West of Peiping [Beijing]. Eroded old road.GrayscalePendleton nitrate negative, Box 9 of 38
Peiping [Beijing] to Chang Ping [Changping]. Sipawang from Houchang hill, SW.GrayscalePendleton nitr...
Tatung [Datong] - Shansi [Shanxi].GrayscalePendleton nitrate negative, Box 7 of 38
Tatung [Datong] - Shansi [Shanxi]. Road erosion in gravelly sandy loam. loess on hills in distance.G...
Peiping [Beijing] and North. SW Tatang shan [Tangshan]GrayscalePendleton nitrate negative, Box 2 of ...
Nankou & ChangPing [Changping] - Hopei. Erosion & terraces. Chi Cheng Whang at right. From Sheo Shan...
Peiping [Beijing] and North. Silt loam plain, Ping Fang [Pingfang]GrayscalePendleton nitrate negativ...
West of Peiping [Beijing] & Changchun, Kirin [Jilin], Manchuri. Changchun. Ry [railway] town.Graysca...
Peiping [Beijing] and North. Sand dunes at Ping Fang [Pingfang]GrayscalePendleton nitrate negative, ...
Peiping [Beijing] to Chang Ping [Changping]. Ruined gale, Chang Ping [Changping]GrayscalePendleton n...
Hi Ping Hu, to Liuchow (Hoi Hong) [Haikang] - Kwangtung [Canton province]. Uncultivated reddish brow...
Peiping [Beijing] and Northwest.GrayscalePendleton nitrate negative, Box 2 of 38
West of Peiping [Beijing] & Changchun, Kirin [Jilin], Manchuri. South Manchuria Ry [railway] park, C...
Nankou valley, NW of Peiping [Beijing]. Twantsun chung nuanchi, western hills.GrayscalePendleton nit...
Peiping [Beijing] and Northwest. Eroded soil road west of Chang Ping [Changping]GrayscalePendleton n...
West of Peiping [Beijing]. Eroded old road.GrayscalePendleton nitrate negative, Box 9 of 38
Peiping [Beijing] to Chang Ping [Changping]. Sipawang from Houchang hill, SW.GrayscalePendleton nitr...
Tatung [Datong] - Shansi [Shanxi].GrayscalePendleton nitrate negative, Box 7 of 38
Tatung [Datong] - Shansi [Shanxi]. Road erosion in gravelly sandy loam. loess on hills in distance.G...
Peiping [Beijing] and North. SW Tatang shan [Tangshan]GrayscalePendleton nitrate negative, Box 2 of ...
Nankou & ChangPing [Changping] - Hopei. Erosion & terraces. Chi Cheng Whang at right. From Sheo Shan...
Peiping [Beijing] and North. Silt loam plain, Ping Fang [Pingfang]GrayscalePendleton nitrate negativ...
West of Peiping [Beijing] & Changchun, Kirin [Jilin], Manchuri. Changchun. Ry [railway] town.Graysca...
Peiping [Beijing] and North. Sand dunes at Ping Fang [Pingfang]GrayscalePendleton nitrate negative, ...
Peiping [Beijing] to Chang Ping [Changping]. Ruined gale, Chang Ping [Changping]GrayscalePendleton n...
Hi Ping Hu, to Liuchow (Hoi Hong) [Haikang] - Kwangtung [Canton province]. Uncultivated reddish brow...
Peiping [Beijing] and Northwest.GrayscalePendleton nitrate negative, Box 2 of 38
West of Peiping [Beijing] & Changchun, Kirin [Jilin], Manchuri. South Manchuria Ry [railway] park, C...
Nankou valley, NW of Peiping [Beijing]. Twantsun chung nuanchi, western hills.GrayscalePendleton nit...