Gipsometricheskai︠a︡ karta Rossīĭskoĭ Imperīi : (opyt izobrazhenīi︠a︡ relʹefa Imperīi)
Relief and depths shown by gradient tints. Also shows railroads. Pulkovo (St. Petersburg) meridian. Includes table of extreme high elevations. Available also through the Library of Congress Web site as a raster image. In Russian. LC copy torn at edge, taped, inscribed in ink by the author in upper margin: The Congress Library, Washington D.C., from J. de Schokalsky in remembrance of 2 visits--1912.
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