—Retained publication information from the printed edition: this eBook
is public-domain in the country of publication.
—Corrected a few palpable typos.
—Included a transcription of the text within some images.
—In the text versions only, text in italics is delimited by
_underscores_.
—The HTML version contains relative hyperlinks to a companion volume on
Canyonlands National Park, Gutenberg eBook #51048.
—A third book in the series, on Colorado National Monument, was revised
after this book was printed.