Vilkitsky Island (East Siberian Sea) Russian Arctic Ocean Hydrographic Expedition led by Boris Vilkitsky on the ships "Taymyr" and "Vaygach" on behalf of the Russian Hydrographic Service in order to chart the last blank areas of Russian maps. Vilkitsky Island (East Siberian Sea) Vilkitsky Island (; "Ostrov Vilkitskogo") is the southernmost island of the De Long group in the northern part of the East Siberian Sea. Administratively Vilkitsky Island belongs to the Sakha Republic administrative division of the Russian Federation. The island is named after Russian hydrographer Boris Vilkitsky. The island is outside of the limits of permanent ice and is unglaciated. At barely Vilkitsky
East Demerara Water Conservancy East Demerara Water Conservancy The East Demerara Water Conservancy, often called the EDWC, is one of Guyana's major water storage and flood control facilities. It is located in Region No. 4 - Demerara-Mahaica. Over 500,000 citizens of Guyana inhabit the basin that lies below and between the sea defences and the EDWC Dam in a 48 km band from Georgetown to Mahaica. The EDWC serves to irrigate thousands of hectares of rice and other crops within this area by storing rain water for dry periods and it also provides one of the primary source(about 60%) of drinking water for the