Visitors to Hawaii Volcanoes National Park are permitted to collect rocks and minerals for personal use, as long as they adhere to the following rules: 1. Collection of rocks or minerals is limited to a reasonable amount that can be carried by one person and does not involve any excavation or destruction of park resources. 2. Rocks or minerals must not be used for commercial purposes without prior written authorization from the park superintendent. 3. Specimens may only be collected from areas outside developed trails, roads, and designated wilderness areas unless otherwise posted; collections made within these areas require a permit from the superintendent. 4. The collection of lava rock is prohibited in order to protect fragile geological formations and cultural sites. 5. Removal of live plants is strictly forbidden except under special circumstances authorized by the park superintendent in writing prior to collection taking place; specimens should only be taken with permission of landowner when collecting on private property adjacent to the park boundaries.