1980-1995 participation in fishing, hunting, and wildlife watching : national and regional demographic trends /

by Aiken, Richard (Richard A.)
Published 1999

Fishing and hunting 1991-2001 : avid, casual, and intermediate participation trends : addendum to the 2001 national survey of fishing, hunting, and wildlife-associated recreation /

by Aiken, Richard (Richard A.)
Published 2004

1991-2016 trend in participation rates for wildlife watching, by demographic group /

by Aiken, Richard (Richard A.)
Published 2020

Wildlife-associated recreation trends in the United States : a technical document supporting the Forest Service 2010 RPA Assessment /

by Mockrin, Miranda H., Aiken, Richard (Richard A.), Flather, Curtis H.
Published 2012