In 2009 the National Park Service (NPS) completed its second Comprehensive Survey of the American Public, a nationwide telephone survey consisting of 15-minute interviews with 4,103 respondents across the United States. Both landline and cellular phone numbers were randomly sampled, and interviews were conducted in Spanish as well as in English.
| Author: Patricia a. Taylor |
| Publisher: Createspace Independent Publishing Platform |
| Publication Date: Jul 30, 2013 |
| Number of Pages: 34 pages |
| Binding: Paperback or Softback |
| ISBN-10: 1491238224 |
| ISBN-13: 9781491238226 |