Comparison of verst scale maps of Russian empire (the same territory, maps and survey from period 1880-1917).

Locality: Suvalki gubernia, district Mariampole, volost Freda (nearest city Kaunas).

Fragment of half verst per inch map ( scale 1:21000 ) XII-15-И (Latin: XII-15-I), resized, 1889

Fragment of one verst per inch map ( scale 1:42000 ) LXVIII-1, resized. Map republished by RKKA in 1931 without changes.

Fragment of two verst per inch map ( scale 1:84000 ) XII-15, survey 1889, recognized 1913-1914, republished by RKKA in 1931 without changes.

Fragment of three verst per inch map ( scale 1:126000 ) XIII-3, republished in 1907.

Keywords: one verst map, half verst map, two verst map, three verst map, 1-verst maps, 2-verst maps, 0.5-verst maps, 3-verst maps, verst per inch, 1:21000, 1:42000, 1:84000, 1:126000, maps of Russian empire, Voenno topograficeskaja karta zapadnogo pogranicnogo prostranstva, połwiorstowka, jednowiorstowka, dwuwiorstowka, trzywiorstowka.