Dataset Groups Activity Stream On the ecological vegetation maps of the Niger Delta. Ikhuoria, I. A. (Ed.) Cartography and GIS for Sustainable Development. Nigerian Cartographic Association. Data and Resources PDFPDF Explore More information Download Niger Delta. ecological vegetation maps Additional Info Field Value Author Ukpong, I. E. Maintainer Nigerian Cartographic Association. Version 1997 Last Updated March 7, 2024, 14:40 (UTC) Created March 7, 2024, 14:38 (UTC) Pages 101 – 103