2003, Vol, 6 (4) pp. 829–838. Awasthi, D.D., Bali, R. and Tiwari, N.K. 2004. Relative dating by lichenometric and Schmidt Hammer techniques in the Gangotri glacier valley, Uttarkashi District, Uttaranchal. Spl. Pub. Pal. Soc. Ind no. 2 pp. 201– 206. Awasthi, D.D., Bali, R. and Tiwari, N.K. 2004. Growth rate of Lichen Dimelaena Orina in the Gangotri Glacier valley, Uttarkashi District, Uttaranchal: Some Significant Observations Geol. Sur. Ind. Spl. Pub. No. 80. Singh, Dhruv Sen 2004. Late Quaternary Morpho-Sedimentary Processes in the Gangotri Glacier Area, Garhwal Himalaya, India. Geol Surv India Spl. Pub. No.80, 2004: 97-103. Singh, Dhruv Sen and Mishra. A. 2002. Gangotri Glacier System, Garhwal Himalaya: An analysis using GIS technique. Aspects of Geology and Environment of the Himalaya. Edited by Pant, C. C. and Sharma, A. Gyanodaya Prakashan, Nainital, India, pp 349–358. Singh, Dhruv Sen and Mishra. A. 2002. Role of Tributary glaciers on landscape modification in the Gangotri Glacier area, Garhwal Himalaya, India. Current Science, 82 (5), 101-105. http://www.ias.ac.in/currsci/mar102002/567.pdf Singh, Dhruv Sen and Mishra, A. 2001. Gangotri Glacier characteristics, retreat and processes of sedimentation in the Bhagirathi valley. Geological Survey of India Spl. Pub.No.65 (III), 17-20. Lal, P.; Vaka, D. S.; Rao, Y. S. (15 November 2018). "Mapping Surface Flow Velocities of Siachen and Gangotri Glaciers Using Terrasar-X and Sentinel-1A Data by Intensity Tracking". ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences. IV-5: 325–329. doi:10.5194/isprs-annals-IV-5-325-2018. External links Retreat of the Gangotri Glacier, an article from NASA's Earth Observatory Gaumukh and Gangotri Art Photos Save Gangotri, highlights localized ecological damage and conservation efforts in the region Geomorphological evidences of retreat of the Gangotri glacier and its characteristics, A Study by Department of Geology, HNB Garhwal University 283 photos 1280x960 of trekking from Gangotri to Gaumukh. You can see the retreat of the Gangotri glacier on picture gomukh141.jpg Glaciers of Uttarakhand Glaciers of the Himalayas Geography of Uttarkashi district