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Специальная карта европейской России
(Special Map of European Russia), 10-versts (10.7 km/6.6 mile) or 1:420 000 from a military project approved in 1865, implemented and published by Ivan Strel’bitskii (Полковник Стрельбицкий (Colonel [Ivan] Strel’bitskii)). “Спец.карта европейской России №14” (Special map of European Russia), depicting “KOВНО” (Kovno), “ВИЛЪНА”(Vilna), “ПОНЕВЪЖЪ” (Panevezh), and “ДИНАБУРГЪ” (Dünaburg), among other towns.
A “Verst,” since the time of Peter the Great, in the early 18th century = 500 sazhen. This makes a verst equal to 1.0668 kilometers (0.6629 miles; 3,500 feet. Peter redefined it against the Englsih system, and used Arabic numerals. The measurement was abandoned July 21, 1925