While X oftentimes marks the spot where treasure can be found, these metal disks-known as benchmarks-mark a geological treasure! Benchmarks show land surveyors, engineers, map makers, and other professionals their exact position on the earth. Not only do they serve this surveying purpose, but they are also seen as treasure for some location hunters. People across the US search out these benchmarks to see how many they can find. The unique importance of these metal discs is why we've produced a cast metal benchmark pin representing Chalone Peak at Pinnacles National Park. Add to (or start!) your collection today. A rubber stud clutch attachment securely?affixes the pin?to any fabric surface.

• Officila park pin approved by the National Park Service for Pinnacles National Park
• Rubber stud clutch attachment securely affixes the pin to any fabric surface
• Size: 1 1/8" diameter