Encyclopedia
Hydrographic network
Hydrographic network - a set of rivers and other permanently and temporarily flowing watercourses, as well as water bodies on any territory
Source: LETTER from Roskomzem dated 18.01.1996 No. 3-15/104
"ON THE CONSIDERATION OF THE METHODOLOGICAL GUIDELINES AND INSTRUCTIONS FOR PREPARING MAPS, ASSESSING FLOODING AND WATER LOGGING OF LAND"