This is a National Geographic magazine, specifically the July 1990 issue. It is identified as Volume 178, Number 1. The cover features a prominent image of a white egret, with the main cover story titled "Florida Watershed." As the official journal of the National Geographic Society, this issue includes articles on a variety of topics such as the long journey of the Pacific salmon, the mystique of emeralds, Hawaii's volcanic cradle of life, and the imperiled coral reefs of Florida. This listing includes one complete National Geographic magazine issue as pictured.