Nikolay Pogredov (born November 17, 1860) oversaw the construction of the first experimental oil shale open-pit in Estonia, and, in 1916-1923, published a series of papers on this subject.
Nikolay Pogredov (born November 17, 1860) oversaw the construction of the first experimental oil shale open-pit in Estonia, and, in 1916-1923, published a series of papers on this subject.