Labels:footbridge | grass | person | plant | pole | signaling device | sky | tree OCR: ROCK HOUSE CA THIS ARCHEOL OGICAL SITE PROTECTED BY STATE LAW PROHIBITED ACTIVITIES INCLUDE CAMPING DEF ACING ROCKS FIRE C DIGGING LITTERING RAPPELLING ROCK CLIMBING PLEASE HELP TO PRE SERVE OUR NATURAL AND CUL TURAL HERIT AGE CAVE FIRES