Summary Persons Persons Author (aut): Holzworth, John M. Collection(s) Collection(s) NBCDC Books Origin Information Origin Information Date Created/Date Issued 1923 Publisher United States Fish and Wildlife Service Issuance monographic Resource Description Extent Extent 43 p. Physical Form Physical Form Print Content type Content type Digital Document Resource Type Resource Type Text Genre Genre book Identifiers Handle Handle Handle placeholder Access and Rights Use and Reproduction Use and Reproduction http://creativecommons.org/publicdomain/mark/1.0/