Work and Expenditures (Annual)—Continued.

work done in one year in excess of amount required cannot be
credited on next year, § 632.

by whom must be performed, § 633.

by trespassers not considered, § 633.

by holder of color of title, § 633.

grantor of owner, § 633.

pendency of patent proceedings does not excuse, § 632.

nor of suit upon adverse claim, § 632.

circumstances under which excused, § 634.

special acts of congress, § 634.

Indian hostilities, § 634.

forcible dispossession, § 634.

threats and tortious acts of others, § 634.
bona fide effort to perform necessary, § 634.
when obligation to perform ceases, § 637.

value of, how estimated, § 635.

reasonable value the test, § 635.

state statutes fixing value of day's labor, § 635.
immaterial, whether paid for or not, § 635.
forfeiture for failure to perform, §§ 645, 646.
to co-owners, § 646.

right of one co-owner to contribution for, § 646.
representation is a unit, § 646.
resumption of, prevents forfeiture, § 651.

what constitutes valid, § 652.

when right must be exercised, § 653.
general rules, § 654.

proof of, in patent proceedings, § 686.

State Legislation.

may not decrease amount fixed by federal law, §§ 626, 250 (10).
may increase amount required by federal law, § 250 (10).

fixing value of day's labor invalid, §§ 635, 250 (10).

can preliminary development work be credited to annual ? §§ 443, 632.
validity of certain existing, questioned, § 626.

summary of, § 626.

Arizona, p. 1237, § 8.

Colorado (placers), p. 1270, par. 2.

Nevada, p. 1296, § 9.

New Mexico, p. 1310, par. 8.

Oregon, p. 1320, par. 4.

South Dakota, p. 1328, par. 13.

Washington, p. 1338, par. 4.

Wyoming (placers), p. 1347, par. 2.

proof of, under state laws, §§ 636, 250 (11).

Arizona, p. 1238, § 9.

California, p. 1249, § 1.

Colorado, p. 1267, par. 14.

Idaho, p. 1280, § 6.

Montana, p. 1288, par. 5.

Nevada, p. 1297, § 10.

New Mexico, p. 1309, par. 7.

Work and Expenditures (Annual)—Continued.

Utah, p. 1332, § 6.

Wyoming (placers), p. 1347, par. 2.

Under Local Rules.

in absence of state legislation amount of, may be increased, § 270.
when changes are made, previous locators must conform to, § 270.
Work and Expenditures (for Patent Purposes).
patent applicant must file certificate of performance of five hun-
dred dollars' worth, § 2325, Revised Statutes, p. 1170.
duty of surveyor-general with regard to, § 671.

surveyor-general's certificate, § 673.

made on claim by original locator cannot be credited to relocator,
§ 409.

rule as to, when placer location or claim exceeds twenty acres,
§ 438.

proof of, in case of placers on surveyed lands, § 701.

are such required in patent application for millsites? p. 885, note 1.
Wyoming.

acquired in part through Louisiana purchase, § 33.

in part through Mexican cession, § 40.

subject of federal mining law, § 81.

Mexican grants in, acts of congress in relation to, §§ 118, 127.
laws of, defining property rights of aliens, § 238.

legislation in, concerning rights of way and mining easements,
§ 252.

constitutional provisions on subject of eminent domain, § 253.
legislation on subject of subjacent support, § 822.

saline law of January 12, 1877, does not apply to, § 514.

Mining Legislation in.

providing method of organizing mining districts, § 250 (12).

Lode Claims.

length, p. 1341, par. 1.

text of law, p. 1341, par. 1.

width, 250 (2).

text of law, p. 1341, par. 2.

location, how designated, p. 1342, par. 4.

certificate of location, contents, § 380.

text of law, p. 1343, par. 7.

void unless conforms to law, p. 1344, par. 8.
must claim but one location, p. 1344, par. 9.

form of, suggested, p. 1372.

record of, § 389.

text of law, p. 1343, par. 7.

amendment of, § 397.

text of law, p. 1345, par. 10.

discovery shaft, § 343.

text of law, p. 1342, par. 4.

its equivalent, p. 1343, par. 5.

time allowed for completion, p. 1343, par. 6.

posting preliminary notice, § 352.

text of law, p. 1342, par. 4.

form of notice suggested, p. 1372.

Wyoming-Continued.

marking boundaries, § 374.

text of law, p. 1342, par. 4.

change of boundaries, p. 1345, par. 10.

rights conveyed by perfected location, p. 1341, par. 3.
validity of law questioned, § 251 (1).
relocation of abandoned claims, §§ 408, 250 (9).
text of law, p. 1345, par. 11.

Placers.

location certificate, § 250 (4).

text of law, p. 1346, par. 1.
marking of boundaries, § 455.

text of law, p. 1346, par. 1.

requirements as to posting notice, § 442.

text of law, p. 1346, par. 1.

annual labor, § 250 (10).

text of law, p. 1347, par. 2; p. 1348, par. 3.

law concerning invalid, § 626.

proof of annual labor by affidavit, § 250 (11).

text of law, p. 1348, par. 2 (6).

Miscellaneous Mining Legislation.
reference table, p. 1349.

Yellowstone National Park.

area, § 196.

act of congress creating, § 196.

purpose of creating, § 196.

mining claims cannot be located within, § 197.

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