Looking for shapefile administrative boundaries for the National Park Service? Meet IRMA.nps.gov
Following this link yielded nps_boundary.zip
.
https://irma.nps.gov/DataStore/Reference/Profile/2225713?lnv=True
"properties":{
"UNIT_CODE":"CABR",
"GIS_Notes":"Lands - http://landsnet.nps.gov/tractsnet/documents/CABR/Metadata/cabr_metadata.xml",
"UNIT_NAME":"Cabrillo National Monument",
"DATE_EDIT":"2008-08-28",
"STATE":"CA",
"REGION":"PW",
"GNIS_ID":"255957",
"UNIT_TYPE":"National Monument",
"CREATED_BY":"Lands",
"METADATA":"https://irma.nps.gov/App/Reference/Profile/1047918#Cabrillo National Monument",
"PARKNAME":"Cabrillo"
}