Analysis of information sources in references of the Wikipedia article "Lipulekh Pass" in English language version.
The map 'District Almora' published by the Survey of India [during 1865–1869] for the first time shifted the boundary further east beyond even the Lipu Khola (Map-5). The new boundary moving away from Lipu Khola follows the southern divide of Pankhagadh Khola and then moves north along the ridge.