Relief shown by contours and spot heights. Depths shown by contours and soundings on some sheets. Military topographic maps. Some sheets show date of field work in upper margin, for example: Sostoi͡anie mestnosti na 1973-1980 gg. Sheet history and sources of information given in lower margin. Name[s] of jurisdiction[s] covered by sheet quadrangle appears in upper margin at left, for example: Vilaĭety Gafsa, Kaĭruan, Sus i Sfaks -- Vilaĭety Bizerta, Nabulʹ i Tunis. Name[s] of jurisdiction[s] covered by sheet quadrangle appears in upper margin at left, for example: Vilaĭety Gafsa, Kaĭruan, Sus i Sfaks -- Vilaĭety Bizerta, Nabulʹ i Tunis. Common title precedes jurisdiction name in upper margin at left on each sheet. Sheets individually subtitled and numbered in upper margin, for example: I-32-XI. Sfaks -- J-32-XXIX. Tunis. Edition statement in upper margin or upper border, for example: Izdanie 1979 g. "Dli͡a sluzhebnogo polʹzovanii͡a."