Katherine Sleeper Walden, American environmental activist (born 1862)

Katherine Sleeper Walden was an American environmental conservationist and community activist in Wonalancet, New Hampshire. Before moving to New Hampshire in 1890, Katherine was an active community member and among the first female journalists in Massachusetts.

March 3 is the 62nd day of the year in the Gregorian calendar; 303 days remain until the end of the year.