On "The Solace of Open Spaces"

I read The Solace of Open Spaces by Gretel Ehrlich, which tells about the author's experience of moving to Wyoming to work as a sheep herder.  Ehrlich's main point is the relationship between man and the space around him.  She develops her ideas across several sections, which are delineated by large breaks of text.  These blocks of text start off with a small piece of information about the author, and then continue into more general information about Wyoming.  Gradually, the balance of information shifts, until the last sections are almost completely personally related.  This technique helps to build the idea that Ehrlich is getting across.  She feels that people who live in closely confined spaces - such as urban dwellers, are uncomfortable with the space around them and need to close it off, to fill it in, and to obscure it from view.  The space makes people feel what they are missing.  The author first moved to Wyoming to solve such a problem, and the in coming to terms with the space that is Wyoming, its vast valleys and sparse populations of people, she has come to terms with herself.