Sheet 9 NE [Tü-Ling First Edition] 1905. Season 1904-05. Surveyed Maj C H D Ryder RE & Capt H Wood RE, and Ram Singh. Published August 1905. Heliozincographed OTB SI Dehra Dun. No.D.44 S.I. 31-5-05. 242. Reg.No.289–S. 05. Incomplete: Hundes only. Extended south into quadrangle 9 SE for Hundes only. Printed black and brown; rivers and roads hand-coloured.
Sheet 14 NW [Gar-Tok First Edition] 1905. Season 1904-05. Surveyed Maj C H D Ryder RE & Capt H Wood RE, and Ram Singh. Published July 1905. Heliozincographed OTB SI Dehra Dun. No.D.33 S.I. 4-5-05 242. Reg.No.225–S. 05. Incomplete: area southwest of Gartok and Kailas only. Printed black and brown; rivers and roads hand-coloured.
Sheet 15 NE [Ganjo La First Edition] 1905. Season 1904-05. Surveyed Maj C H D Ryder RE & Capt H Wood RE, and Ram Singh. Published July 1905. Heliozincographed OTB SI Dehra Dun. No.D.37. S.I.–17-5-05.–242. Reg.No.254–S. 05. Incomplete: area of Tsang-po River only. Printed black and brown; rivers, lakes and roads hand-coloured.
Sheet 21 SW [First Edition] 1905. Season 1904-05. Surveyed Maj C H D Ryder RE & Capt H Wood RE, and Ram Singh. Published July 1905. Heliozincographed OTB SI Dehra Dun. No.D.34, S.I. 4-5-05.–242. Reg.No.226–S. 05. Incomplete: area of Tsa Chu river only. Printed black and brown; river hand-coloured.
Sheet 22 NE [Lha-Tse Dzong First Edition] 1905. Season 1904-05. Surveyed Maj C H D Ryder RE & Capt H Wood RE, and Ram Singh. Published July 1905. Heliozincographed OTB SI Dehra Dun. No.D.42, S.I. 29-5-05.–242. Reg.No.286–S. 05. Incomplete: area of Tsang-po River only. Printed black and brown; rivers and roads hand-coloured.
Sheet 30 NE [Ning-Yüan-Fu First Edition] 1903. Seasons 1898 to 1900. Compiled Burma Surveys DO from surveys Capt H R Davies Oxon LI, Capt C H D Ryder RE, Lt H Watts-Jones RE, Lachman Jadu and Keshao Jadu. Published November 1903. Heliozincographed SIO Calcutta. No.385, S.I.–Nov.03.–210. Reg.No.940–S. 03. Incomplete: north-south routes through Ning-yüan-fu and Lu-tien-ting and associated topography only. Printed black and brown; roads, rivers and settlements hand-coloured.
Sheet 31 NE [Yün-Nan-Fu First Edition] 1903. Seasons 1898 to 1900. Compiled Burma Surveys DO from surveys Capt H R Davies Oxon LI, Capt C H D Ryder RE, Lt Watts-Jones RE, Lachman Jadu, Ramsabad and Keshao Jadu. Published April 1903. Heliozincographed SIO Calcutta. No.105, S.I.–June 03.–200. Reg.No.715–S. 04. Extended west into quadrangle 39 NW for route north of Lan-yan-pu. Incomplete: topography associated with routes and settlements only. Printed black and brown; roads, river and se...