Blog · October 14, 2026 · Wyoming
Niobrara County Plat Book: finding and using one
Around Keeline, plat books show ownership by township; the parcel viewer shows it today.
Main page: Niobrara County, WY GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Want a copy of the Niobrara County plat book? A plat book shows owners and tract lines on township pages, popular with hunters, farmers and buyers near Lusk. This Niobrara County guide covers: how the atlas is organized, where to look for printed copies, and the free online map that stays current.
Getting started with the Niobrara County plat book
With a lot near Van Tassell, plat books are commercial atlases, that map ownership across the countryside, page by page across the county.
Where the parcel data lives
Your first stop is the Niobrara County ArcGIS parcel map; it includes each tax parcel around Keeline and Manville. Without an address in hand, follow US Route 85 on the aerial until the lines appear, then click inside the one you want, which applies near Riverview as much as anywhere. For a tract near Lusk, save the parcel ID while you have it open; each office in the county will want it.
How land is described here
Wyoming is laid out under the Public Land Survey System, which means a tract near Keeline is described by section, township and range. Each section is nominally a mile square, about 640 acres, with 36 sections to a township, though real sections near Lance Creek vary in size. Keep the legal description for land near Keeline for any title or survey request.
Editions and availability
Not every county has a current edition, check with local offices and farm stores near Manville.
What the map can't tell you
If you're looking near Lusk, listed acreage is a tax-roll number; just a licensed surveyor sets the real lines on the ground. Owner names and values update on a schedule, so a recent sale near Van Tassell might lag behind.
A quick look at the area
Lusk serves as the county seat, which is where the courthouse records live. Other places on the map include Manville, Van Tassell, Lance Creek, and Keeline, each with its own cluster of lots. Around 2,354 people call Niobrara County home (Census estimate, 2023) spread over some 2,626 square miles. Niobrara County was organized in 1911, which matters when you trace an old farm's title.
Who uses plat books
Farmers, hunters and appraisers near Lusk use plat books for a big-picture view of who owns what.
Backing up the map with records
When the details count, request the recorded deed through the County Clerk; the parcel line is a drawing of it, which applies near Lance Creek as much as anywhere. Inherited tracts around Lance Creek may sit on many deeds, so a title company can sort it out before a purchase.
Between editions
Between printed editions, the Niobrara County ArcGIS parcel map shows current owners, for tracts near Riverview.
When a parcel crosses a boundary
The county borders Sioux County, NE, Custer County, SD, Fall River County, SD, Converse County, and Goshen County, and each of those keeps its own parcel map around Van Tassell. A tract near the line by Van Tassell may show up across two assessors' files, so look at the neighboring map too. For a home near Van Tassell, our state page lists every bordering county map across Wyoming.
Using it on a phone
The parcel map usually runs in a mobile browser, useful out on a road near Lusk, though signal can drop in rural spots. A screenshot of the parcel near Riverview with its ID keeps working without signal.
Not the same thing
For acreage around Riverview, don't confuse the atlas with a recorded subdivision plat: the recorded plat at the County Clerk is a legal document, while the atlas is a reference.
Which office to call
For assessment questions about property around Lance Creek belong with the County Assessor, since that office keeps the assessment data. Zoning, permits and septic questions near Manville are for the local planning and health departments, town or county, depending on location.
A homemade atlas
Print parcel views near Van Tassell township by township and keep them in a binder for the truck.
Frequently asked
Is a plat book the same as a recorded plat in Niobrara County?
For a home near Van Tassell, recorded plats are legal documents at the County Clerk, and plat books are references; check the deed.
How accurate are plat book acreages for land near Van Tassell?
Out toward Lance Creek, plat book acreage and lines are approximate; don't rely on them for boundaries.
Plat book or parcel viewer for land near Van Tassell?
It depends, but the county ArcGIS parcel map is free and updated more often, at least around Keeline.
Are old plat books online near Lance Creek?
For a tract near Keeline, libraries and historical societies hold older editions; call ahead.
Does the parcel map work on a phone around Lance Creek?
For acreage around Riverview, no app is needed for most county viewers; screenshots help offline.
Open the official Niobrara County, WY parcel map See it in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.