Keywords: Group of Railroad Construction Participants.jpg A Group of Railroad Construction Participants an early color photograph by Sergei Mikhailovich Prokudin-Gorskii w Murmansk railway w Karelia http //www museum ru/museum/1812/Memorial/PG/colorpg_3 html 10341v jpg Museum ru LOC-image prok 00341 1915 Sergei Mikhailovich Prokudin-Gorskii digital rendering by Oleg Polyakov Public domain from the Library of Congress website http //www loc gov/exhibits/empire/gorskii html PD-RusEmpire PD-US PD-Russia PD-1923 Rail construction in Russia Logging Military peaked caps of the Soviet Union Photos of European Russia by Sergey Prokudin-Gorsky Rafts Group photographs Photos of people of the Russian Empire by Sergey Prokudin-Gorsky Group portraits |