TY - BOOK ID - 146322523 TI - Visitation forecasting and predicting use of NPS parks and visitor centers : focus group report AU - Gramann, James H. AU - Social Science Program (U.S.) PY - 2003 PB - [Washington, D.C.] : NPS Social Science Program, DB - UniCat KW - National parks and reserves KW - Public use KW - Forecasting. UR - https://www.unicat.be/uniCat?func=search&query=sysid:146322523 AB - ER -