Peiping [Beijing] and Northwest. Eroded soil road west of Chang Ping [Changping]GrayscalePendleton nitrate negative, Box 2 of 38
Nankou valley, NW of Peiping [Beijing]. Twantsun chung nuanchi, western hills.GrayscalePendleton nit...
Tatung [Datong] - Shansi [Shanxi]. Erosion of gravel terrace east of Yu ho [Yarkant He river].Graysc...
Environs of Peiping [Beijing]. Terraced hills & Hun Ho [Hun river] plain.GrayscalePendleton nitrate ...
Peiping [Beijing] and Northwest. Across eroded road. W. of Chang Ping [Changping]GrayscalePendleton ...
West of Peiping [Beijing]. Eroded old road.GrayscalePendleton nitrate negative, Box 9 of 38
Tatung [Datong] - Shansi [Shanxi]. Road erosion in gravelly sandy loam. loess on hills in distance.G...
Tatung [Datong] - Shansi [Shanxi].GrayscalePendleton nitrate negative, Box 7 of 38
Peiping [Beijing] to Chang Ping [Changping]. Sipawang from Houchang hill, SW.GrayscalePendleton nitr...
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...
Peiping [Beijing] and North. Sand dunes at Ping Fang [Pingfang]GrayscalePendleton nitrate negative, ...
Peiping [Beijing] and North. SW Tatang shan [Tangshan]GrayscalePendleton nitrate negative, Box 2 of ...
Hi Ping Hu, to Liuchow (Hoi Hong) [Haikang] - Kwangtung [Canton province]. Uncultivated reddish brow...
West of Peiping [Beijing] & Changchun, Kirin [Jilin], Manchuri. Changchun. Ry [railway] town.Graysca...
Tatung [Datong] - Shansi [Shanxi]. First ravine north. Deeply eroded. Fine sands & silts.GrayscalePe...
Nankou valley, NW of Peiping [Beijing]. Twantsun chung nuanchi, western hills.GrayscalePendleton nit...
Tatung [Datong] - Shansi [Shanxi]. Erosion of gravel terrace east of Yu ho [Yarkant He river].Graysc...
Environs of Peiping [Beijing]. Terraced hills & Hun Ho [Hun river] plain.GrayscalePendleton nitrate ...
Peiping [Beijing] and Northwest. Across eroded road. W. of Chang Ping [Changping]GrayscalePendleton ...
West of Peiping [Beijing]. Eroded old road.GrayscalePendleton nitrate negative, Box 9 of 38
Tatung [Datong] - Shansi [Shanxi]. Road erosion in gravelly sandy loam. loess on hills in distance.G...
Tatung [Datong] - Shansi [Shanxi].GrayscalePendleton nitrate negative, Box 7 of 38
Peiping [Beijing] to Chang Ping [Changping]. Sipawang from Houchang hill, SW.GrayscalePendleton nitr...
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...
Peiping [Beijing] and North. Sand dunes at Ping Fang [Pingfang]GrayscalePendleton nitrate negative, ...
Peiping [Beijing] and North. SW Tatang shan [Tangshan]GrayscalePendleton nitrate negative, Box 2 of ...
Hi Ping Hu, to Liuchow (Hoi Hong) [Haikang] - Kwangtung [Canton province]. Uncultivated reddish brow...
West of Peiping [Beijing] & Changchun, Kirin [Jilin], Manchuri. Changchun. Ry [railway] town.Graysca...
Tatung [Datong] - Shansi [Shanxi]. First ravine north. Deeply eroded. Fine sands & silts.GrayscalePe...
Nankou valley, NW of Peiping [Beijing]. Twantsun chung nuanchi, western hills.GrayscalePendleton nit...
Tatung [Datong] - Shansi [Shanxi]. Erosion of gravel terrace east of Yu ho [Yarkant He river].Graysc...
Environs of Peiping [Beijing]. Terraced hills & Hun Ho [Hun river] plain.GrayscalePendleton nitrate ...