Executive_Agency_for_Exploration_and_Maintenance_of_the_Danube_River
The Executive Agency for Exploration and Maintenance of the Danube River (EAEMDR) of Bulgaria was established as an organization in 1935 under the name Danube Hydrographical Service within the structure of the Ministry of Railways, Post Offices and Telegraphs. The headquarters were situated in the city of Lom and the responsibilities of the Service were related to the maintenance of the waterway, creation of maps of the Danube River, conduction of hydro meteorological surveys in the Bulgarian section of the river.