The notice stated that they could return without sleeping bags, tarps or tents. India sent tarps, blankets, and hygiene kits. FEMA reported 60,000 homes needed roofing help, and had distributed 38,000 roofing tarps. The long-term shelters are typically constructed of cardboard covered with blue tarps. Canvas tarps or potato sacks soaked in sea water are often used for this purpose. They employed branches from a wassama tree for bats and canvas tarps for gloves. These were stored in the open under tarps on asphalt pads. Plastic tarps are sometimes used as a building material in communities of indigenous North Americans. They then covered the positions with rubberized tarps to keep the water out. To protect the Cotton Bowl, they covered the surface with black tarps. Initially, Cedar Point covered track segments with blue tarps. Immediately after the hurricane, damaged structures were temporarily protected by tarps. Many books were damaged, despite library staff using tarps to cover shelves. The cameras then became forward deployed assets and cross-decked between TARPS squadrons. VF-143 played key roles using LANTIRN, night vision goggles and digital TARPS.