There are five United States land-offices in Oregon: namely, at Oregon City, for the upper and central parts of the Willamette Valley, including also Northwestern Oregon generally; at Roseburg, for Southwestern Oregon; at Linkville, for the southeastern portion; at La Grande, for Eastern Oregon, strictly so called; and at the Dalles, for the great counties of Wasco and Umatilla--the northern part of the State. At each of the land-offices a register and a receiver are stationed; and the maps of the district are also deposited there for general reference. When the settler has ascertained that a piece of land is eligible--that is, that it will suit him not only for clearing and farming, but also to build his house on and live there--he goes to the neighbors to find out the nearest corner posts or stones, and thence by compass he can determine roughly the boundary-lines. The land must lie in a compact form, not less than forty acres wide; thus he can take his one hundred and sixty acres in the shape of a clean quarter of a section or of an L, or in a strip across the section of forty acres wide; but he can not pick out forty acres here, and a detached forty there, and so on. [Sidenote: _HOMESTEADS AND PREËMPTION._] He then goes to the county clerk's office, where duplicates of the land-office maps are kept. He finds out there with sufficient correctness if the piece he wants is open to settlement. The land-office is the only source of quite certain information, because it is possible that a claim may have been put on file at the land-office, particulars of which have not yet reached the county clerk. Being satisfied that the land is open, the intending settler must next determine whether to preëmpt or homestead. If he desires to preëmpt, and by payment to Government of $1.25 per acre for public land outside the limits of railroad and wagon-road grants, or $2.50 per acre for land within those limits, to obtain an immediate title, he must be sure that he does not fall within the two exceptions; for no one can acquire a right of preëmption who is the proprietor of three hundred and twenty acres of land in any State or Territory, nor can any one who quits or abandons his residence on his own land to reside on the public land in the same State or Territory. But, first of all, he or she must have one of the following personal qualifications: the settler must be the head of a family, or a widow, or a single person; must be over the age of twenty-one years, and a citizen of the United States, or have filed a declaration of intention to become such. Further, the settler must make a settlement on the public land open to preëmption, must inhabit and improve the same, and erect a dwelling thereon.