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gravel
2Documents about gravel
Documents about gravel
- 30 U.S.C. § 611 — Common varieties of sand, stone, gravel, pumice, pumicite, or cinders, and petrified wood#584592US Code (LII)
- 43 U.S.C. § 387 — Removal of sand, gravel, etc.; leases, easements, etc.#596721US Code (LII)
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