Grave indexing is a helpful service that can unlock clues to family stories. Have you ever helped preserve a grave or taken photos to be indexed? Here are some tips to remember: 1. Choose a cemetery. 2. Use your own phone or borrow one. 3. Prepare headstones to be photographed. 4. Charge your phone and consider bringing a portable charger. 5. Take pictures at a good angle. 6. Photograph the front and back of the tombstone. 7. For larger tombstones, take multiple photos and link them together. 8.