I am most interested in writing which deals with the whole of nature in some region, and which has rather complex literary value. I have listed 23 authors and several books for some of them. You might start by looking to see which books are available on line, or in paperback. This is the story of a season which he spent as a ranger in Arches National Park. It is full of philosophy and adventure.
Abbey is funny and political and grumpy all at the same time.
He also wrote novels, some of which are famous, but none of which are as good as this. He also wrote many more books of essays but this is the best and the most coherent collection. Houghton Mifflin, 1903. Reprinted by Univ. Mary Austin is often said to be the founder of eco-feminism.