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1. Delhi guide map. Surveyed 1939-42.

1942 (revised) Survey of India. Relief shown by 10 ft contour interval (contours are approximated) and spot heights. "Published under the direction... Dehra Dun : Survey of India, 1942.

2. Delhi guide map. Surveyed 1939-42.

1942 (revised) Survey of India. Relief shown by 10 ft contour interval (contours are approximated) and spot heights. "Published under the direction... Dehra Dun : Survey of India, 1942.