John Muir National Historic Site. Please contact this institution directly to obtain copies of the images or permission to
publish or use them beyond educational purposes.
The unpublished works of John Muir are copyrighted by the Muir-Hanna Trust. To purchase copies of images and/or obtain permission
to publish or exhibit them, see
http://library.pacific.edu/ha/forms
Letter from John Muir to Mary Muir, 1867 Apr 22