Impressive lot of eight (8) California stereoviews on card mounts (seven on vibrant orange mounts with pink versos, one on yellow mount), published by the premier San Francisco optical and photographic publishing firm of Thomas Houseworth & Co. (and early partner imprint Lawrence & Houseworth), ca. 1865–1873. The lot includes"

1.) The Vernal Fall outdoor albumen stereoview. San Francisco, California: Thomas Houseworth, [ca. 1865-1873]. Publisher's imprint  and series identification printed on mount recto. 

2.) Three Brothers The Vernal Fall outdoor albumen stereoview. San Francisco, California: Thomas Houseworth, [ca. 1865-1873]. Publisher's imprint  and series identification printed on mount recto. 

3.) Clark & Moore Hotel outdoor albumen stereoview. San Francisco, California: Thomas Houseworth, [ca. 1865-1873]. Publisher's imprint  and series identification printed on mount recto. 

4.) Glacier Point & Mirror Lake outdoor albumen stereoview. San Francisco, California: Thomas Houseworth, [ca. 1865-1873]. Publisher's imprint  and series identification printed on mount recto. 

5.) Register Rock outdoor albumen stereoview. San Francisco, California: Thomas Houseworth, [ca. 1865-1873]. Publisher's imprint  and series identification printed on mount recto. 

6.) Hutchinson Hotel outdoor albumen stereoview. San Francisco, California: Thomas Houseworth, [ca. 1865-1873]. Publisher's imprint  and series identification printed on mount recto. 

7.) The South Dome outdoor albumen stereoview. San Francisco, California: Thomas Houseworth, [ca. 1865-1873]. Publisher's imprint  and series identification printed on mount recto. Paris International Exhibition bronze medal imprint to mount verso. 

8.) The Nevada Fall outdoor albumen stereoview. San Francisco, California: Thomas Houseworth, [ca. 1865-1873]. Publisher's imprint  and series identification printed on mount recto. Publishers imprint printed to mount verso. 

[Stereoview, Stereocard, Yosemite Valley, California, Thomas Houseworth, Lawrence & Houseworth, San Francisco, Hutchings' Hotel, James Hutchings, Mirror Lake, Mount Watkins, Vernal Fall, Nevada Fall, Register Rock, Half Dome, Sierra Nevada, Western Americana, 19th Century Photography]

Overall condition is very good. The albumen prints display rich sepia tones, sharp resolution, and strong depth of field, showing light, honest edge dusting and minor corner bumping consistent with age.