| 181. | Lands subject to disposition; persons entitled to benefits; reciprocal privileges; helium rights reserved. | |
| 182. | Lands disposed of with reservation of deposits of coal, etc. | |
| 183. | Cancellation of prospecting permits. | |
| 184. | Limitations on leases held, owned or controlled by persons, associations or corporations. | |
| 184a. | Authorization of States to include in agreements for conservation of oil and gas resources lands acquired from United States. | |
| 185. | Rights-of-way for pipelines through Federal lands. | |
| 186. | Reservation of easements or rights-of-way for working purposes; reservation of right to dispose of surface of lands; determination before offering of lease; easement periods. | |
| 187. | Assignment or subletting of leases; relinquishment of rights under leases; conditions in leases for protection of diverse interests in operation of mines, wells, etc.; State laws not impaired. | |
| 187a. | Oil or gas leases; partial assignments. | |
| 187b. | Oil or gas leases; written relinquishment of rights; release of obligations. | |
| 188. | Failure to comply with provisions of lease. | |
| 188a. | Surrender of leases. | |
| 189. | Rules and regulations; boundary lines; State rights unaffected; taxation. | |
| 190. | Oath; requirement; form; blanks. | |
| 191. | Disposition of moneys received. | |
| 191a. | Late payment charges under Federal mineral leases. | |
| 191b. | Collection of unpaid and underpaid royalties and late payment interest owed by lessees. | |
| 192. | Payment of royalties in oil or gas; sale of such oil or gas. | |
| 192a. | Cancellation or modification of contracts. | |
| 192b. | Application to contracts. | |
| 192c. | Rules and regulations governing issuance of certain leases; disposition of receipts. | |
| 193. | Disposition of deposits of coal, and so forth. | |
| 193a. | Preference right of United States to purchase coal for Army and Navy; price for coal; civil actions; jurisdiction. | |
| 194. | Repealed. | |
| 195. | Enforcement. | |
| 196. | Cooperative agreements; delegation of authority. | |
| 201. | Leases and exploration. | |
| 201–1 to 201b. | Repealed or Omitted. | |
| 202. | Common carriers; limitations of lease or permit. | |
| 202a. | Consolidation of coal leases into logical mining unit. | |
| 203. | Additional lands or deposits. | |
| 204. | Repealed. | |
| 205. | Consolidation of leases. | |
| 206. | Noncontiguous coal or phosphate tracts in single lease. | |
| 207. | Conditions of lease. | |
| 208. | Permits to take coal for local domestic needs without royalty payments; corporation exclusion; area to municipalities for household use without profit. | |
| 208–1. | Exploratory program for evaluation of known recoverable coal resources. | |
| 208–2 , 208a. | Repealed. | |
| 209. | Suspension, waiver, or reduction of rents or royalties to promote development or operation; extension of lease on suspension of operations and production. | |
| 211. | Phosphate deposits. | |
| 212. | Surveys; royalties; time payable; annual rentals; term of leases; readjustment on renewals; minimum production; suspension of operation. | |
| 213. | Royalties for use of deposits of silica, limestone, or other rock embraced in lease. | |
| 214. | Use of surface of other public lands; acreage; forest lands exception. | |
| 221 to 222i. | Omitted. | |
| 223. | Leases; amount and survey of land; term of lease; royalties and annual rental. | |
| 223a. | Repealed. | |
| 224. | Payments for oil or gas taken prior to application for lease. | |
| 225. | Condition of lease, forfeiture for violation. | |
| 226. | Leasing of oil and gas parcels. | |
| 226–1. | Extension of noncompetitive oil or gas lease issued before September 2, 1960 . | |
| 226–2. | Limitations for filing oil and gas contests. | |
| 226–3. | Lands not subject to oil and gas leasing. | |
| 226a , 226b. | Repealed. | |
| 226c. | Reduction of royalties under existing leases. | |
| 226d to 227. | Omitted. | |
| 228. | Prospecting permits and leases to persons of lands not withdrawn; terms and conditions of; fraud of claimants. | |
| 229. | Preference right to permits or leases of claimants of lands bona fide entered as agricultural land; terms and conditions. | |
| 229a. | Water struck while drilling for oil and gas. | |
| 230 to 233. | Repealed. | |
| 233a. | Permits or leases of certain lands in Oklahoma; retention of royalties. | |
| 234 to 236. | Repealed. | |
| 236a. | Lands in naval petroleum reserves and naval oil-shale reserves; effect of other laws. | |
| 236b. | Existing leases within naval petroleum reserves not affected. | |
| 237. | Omitted. | |
| 241. | Leases of lands. | |
| 242. | Oil shale claims. | |
| 251. | Leases to claimants of withdrawn lands; terms and conditions; acreage; annual rentals and royalties; fraud of claimants. | |
| 261. | Prospecting permits; lands included; acreage. | |
| 262. | Leases to permittees; survey of lands; royalties and annual rentals. | |
| 263. | Permits to use or lease of nonmineral lands for camp sites, and other purposes; annual rentals; acreage. | |
| 271. | Prospecting permits; lands included; acreage. | |
| 272. | Leases to permittees; privileges extended to oil and gas permittees. | |
| 273. | Lease of lands not covered by permits or leases; acreage; rental. | |
| 274. | Lands containing coal or other minerals. | |
| 275. | Laws applicable. | |
| 276. | Application of subchapter to Louisiana and New Mexico only. | |
| 281. | Prospecting permits for chlorides, sulphates, carbonates, borates, silicates, or nitrates of potassium; authorization; acreage; lands affected. | |
| 282. | Leases to permittees of lands showing valuable deposits; royalty. | |
| 283. | Lands containing valuable deposits not covered by permits or leases; authority to lease; acreage; conditions; renewals; exemptions from rentals and royalties; suspension of operations. | |
| 284. | Lands containing coal or other minerals in addition to potassium deposits; issuance of prospecting permits and leases; covenants in potassium leases. | |
| 285. | Laws applicable. | |
| 286. | Disposition of royalties and rents from potassium leases. | |
| 287. | Extension of prospecting permits. | |
