Lectured August 9, 1895. This theater is reported to have been on the north side of Morrison, St between Sixth and Seventh (Broadway). He and Major Pond stayed at Hotel Portland which is reported to have been located at what is now Pioneer Courthouse Square, on the south side of Morrison St. (MTDBD) 

Review:  http://twain.lib.virginia.edu/onstage/wrldtr4.html The (Portland) Oregonian August 10, 1895  

Interview:  http://twain.lib.virginia.edu/onstage/mttalks.html  From The Sunday (Portland) Oregonian  9 August 1895  

MARK TWAIN TALKS  THE FAMOUS STORY-TELLER DISCUSSES CHARACTERS.  Says That No Author Creates, but Merely Copies --  How to Write a Guide Book.