Geological Survey of IndiaCartographic Details: Scale 1:4055040. 1 in. to 64 miles. To accompany: A manual of the geology of India. Pt. 1-2. Calcutta: Geological Survey Office, 1879-87.106 x 110 centimetersJPEGUMN_ALMA:9973937977101701engOffice of Surveyor General of India ; CalcuttaPublicPreliminary sketch of the geology of IndiaMapsIndia1877University of Minnesota