See also Amended location, Certificate, Description, Land Office, Notice, Publication, Record,
Register, Verification.

absence of discovery as affecting known veins, 562.
accuracy not required, 199.

NOTICE OF LOCATION-Continued.
admissibility in evidence, 205, 702.
amended notice, 205.

as knowledge of vein or lode, 562.
certificate amended, 205.
of location, 197.
change of description in, 233.
conformity to miners' rules, 204.
construction, 199.

construed liberally, 199.
contents and description, 226.

when record required, 197, 211.
controls as between calls, 201.
correction of errors in notice, 206.
date necessary, 198.

of location must be shown, 200.
not conclusive, 212.
declaratory statement, 206.
description of claim, 211.

required, 200.
ground located, 198.

destruction of notice, 206.

distinction between amended location certificate and relocation notice, 205.
effect if posted before discovery, 97.

of amended certificate of location, 205.
errors as to courses or distances, 206.
in notice, 206.

inaccuracies and mistakes, 206.
mistake in, 232.

recording, on priority, 208.

errors in, corrected by parol, 212.
general requisites, 199.

as a mineral, 1134.

valuable mineral deposits, 690.

0.

OIL AND GAS.

See also Discovery, Indian lands, Mineral deposits, Minerals, Oil and gas lands, Pipe lines, Placer
locations.

excepted from municipal grants, 1305.

Indian lands sold subject to oil and gas rights, 1028.

individual ownership of Indian allottee, 1026.

insufficient to make lands valuable for, 520.
lands containing, as mineral lands, 689, 690.
reserved to Cherokee Tribe, 1008.

valuable for, are mineral, 18, 19, 20.
lease by Indian Nation for mining, 991.
of Indian lands for, 1004.
locators protected, 1049.

pipe-line transportation of, 1071.
reservation and location, 1051, 1052.
reserved from allotment of Indian lands, 1004.

Indian lands, 1025.

lighthouse reservation, 958.
municipal grants, 1306.
park grants, 1307.

to Osage Indians, 1026.

right of way for pipe lines in Arkansas, 1073.

rights acquired under Indian lease protected, 1010.

royalties on, from Indian lands, 988.

statute applies to persons transporting by pipe lines, 1071.

OIL AND GAS LANDS.

See also Discovery, Indian lands, Lands valuable for minerals, Mineral lands, Minerals, Placer loca-
tions, Railroad grants.

acquired pursuant to placer-claim laws, 519.

act amended, 1049.

agricultural entries on, 1049, 1051.

allotments inalienable for stated period, 1026.
application of act of March 3, 1909 to, 815.
area, 1047.

as indemnity selections, 1285.

mineral lands, 1134.

asphaltum located as oil claims, 1046.

character of lands, 1048.

classification as analogous to classification as coal, 815.
establishes mineral character, 1134.

in California, 1285.

contest with homestead claimant, 1047.

defective titles cured, 1048.
discovery, 1044.

essential to location, 65.
disposal of, after withdrawal, 1392.
in Oklahoma, 1299.

effect of withdrawal order, 1391, 1392.

elimination of nonoil land, 1393.

enterable as placer claims in Alaska, 1043.

entry of, in Alaska, 1043.

excepted from grant to Southern Pacific Railroad Co., 1138.

Texas Pacific Railroad Co., 1143.

railroad grant as mineral lands, 519.
grants, 1134.

existing locations approved, 1046.

filed upon and improved in Alaska may be patented, 1043.

first locator not a discoverer, 1047.

hearing to determine character, 1048.

insufficient discovery, 1044.

knowledge of discovery by another necessary, 1047.

lands valuable for oil, 1043.

not selectable in lieu of school sections, 1262.

lease of, in Arizona and Oklahoma, 1298.
locatable as placer claims, 1333.

location made under law is a mining claim, 1043.

locations protected, 1046, 1049.

mineral lands in railroad grant, 1138.

modification of withdrawal order, 1393.

must be chiefly valuable for oil to sustain location, 1044.
no entry after patent to railroad company, 1134.

school indemnity selection while withdrawal stands, 1392.
not selectable as lieu land, 1175.

subject to disposal under land laws after withdrawal, 1393.
oil and gas reserved from agricultural entries, 1049, 1051.
locations protected, 1048.

one discovery, 1044.

Osage Indians, 1026.

ownership of Southern Pacific Railroad Co., 1134.

patent for, in Alaska not defeated by assignment, 1048.
not issued after classification, 1134.

persons qualified to enter, 1043.

President's withdrawal of, in California, 1392.

prior location protected, 1048.

priority of location, 1047.

rights of Indians in, 987.

school sections not subject to mining laws, 1299.
selections by California after classification, 1285.
Idaho, 1050.

State's right of selection after classification, 1285.
surface entry after withdrawal, 1393.

indications not proof to establish character, 1175.

OIL AND GAS LANDS-Continued.

surface indications will not defeat lieu selections, 1177.

patent for, 815.

title to Southern Pacific Railroad Co., 1134.
transfers protected, 1048.

validity of withdrawal orders, 1392.
what constitutes discovery, 1044.
withdrawals, 815, 819, 1392.

withdrawal of oil lands, 1391.

rights protected as against, 1391.

withdrawn from private entry for classification, 1392.
OIL LEASES.

See also Indian lands, Lease.

as prohibited alienation, 1000.

execution, filing, and recording Indian, 1012.

Indian lands, 1021.

lease by Indian Nation for mining, 991.

of Indian lands, 1018.

not a grant of oil in place, 1016.

Osage Indian Reservation, Foster lease assigned, 1022.

extended, 1022,

royalty determined by President, 1021.

sale of, on Indian lands, 1024.

OIL LOCATIONS.

See also Annual labor, Discovery, Mining locations, Oil and gas lands, Placer locations.
agricultural entries not subject to, 1047.

annual labor on, 247, 1048.

asphaltum located as, 1046.

assessment work on, 1048.

conditions for making, on Indian reservation, 1044.

confirmed by statute, 1046.

defective title not cured in absence of discovery, 1048.
diligence in prosecution essential to protection, 1047.
discovery essential to, 65, 1044.

insufficient, 1045.

entry on agricultural lands unauthorized, 1047.

lien law applicable to, 1044.

located as placer claims, 1043.

location of oil lands, 1043.

not affected by invalid withdrawal orders, 1392.
permitted in Glacier National Park, 1045.
one discovery sufficient for entire claim, 1047.
patent for, 1048.

persons qualified to make, 1043.

possession protected during diligent prosecution, 1047.
proof insufficient to show discovery, 1046.

sufficient to sustain discovery, 1044.

prospector not a trespasser, 1044.

protection, 1048, 1049.

rights of locator as against lieu selector, 1176.

right to hold as against nonmineral applicant, 1945.
statutory requirement as to discovery applies to, 65.

sufficiency of discovery, 1045.

OKLAHOMA.

disposal of mineral lands in, 1299.

oil and gas in, 1299.

enabling act, 964.

grant to, without mineral exception, 1300.

lands prima facie nonmineral from surveyor's return, 1187.

lease of mineral and oil lands in, 1298.

school lands, 995.

mineral lands not excepted, 1300.

provisions for disposal of gas and oil, 1298.
saline statute not applicable to, 1212.
school indemnity selections in, 838.

sections in, not subject to mining laws, 1299.
subject to operation of mining law, 1299.