Study Search Results

Your query returned 4 results. Series results are grouped under the most relevant study. You can ungroup series results. Use the search box below to revise your search, or start a new search.

 
 
 
 
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Study Title/Investigator
2.
Nationwide Personal Transportation Survey, 1969: [United States] (ICPSR 3328)
United States Department of Transportation. Federal Highway Administration
3.
Outdoor Recreation Survey, 1977: Federal Estate Survey (ICPSR 7680)
United States Department of the Interior
4.
Outdoor Recreation Survey, 1977: General Population Survey (ICPSR 7679)
United States Department of the Interior
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