At this scale 1cm on the map represents 1km on the ground. Each map covers a minimum area of 0.5 degrees longitude by 0.5 degrees latitude or about 54 kilometres by 54 kilometres. The contour interval is 20 metres. Many maps are supplemented by hill shading.

H50/B1-2038 Contour interval: 25

H50/B1-2338 Contour interval: 25

No abstract available

G50/B1-105 Vertical scale: 125

G51/B1-83

H50/B1-2537 Contour interval: 25

G50/B1-2547 Contour interval: 25

H51-B1/2339 Contour interval: 25

G50/B1-99 Vertical scale: 750