Blog · October 14, 2026 · Montana
Rosebud County Plat Book, Montana
What a Rosebud County plat book is, where to locate one around Colstrip, and the free map that covers the gaps.
Main page: Rosebud County, MT GIS & Parcel Viewer (official map link, Rosebud County facts and neighboring maps).
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A Rosebud County plat book is the township-by-township atlas farmers, hunters and land buyers around Colstrip have kept in the truck for generations. Below is how to track one down for Rosebud County, MT, and what the online map does better.
What's inside a county plat book
Think of the Rosebud County plat book as a bound, printed version of ownership: township pages, owner names on each tract, and road maps for places like Forsyth. Don't confuse it with a subdivision plat on file for lots in Forsyth; that recorded plat is a legal document, while the atlas is a reference.
Opening the Rosebud County parcel viewer
Rosebud County parcels are viewed through a statewide map, the Montana Cadastral; zoom toward Forsyth to reach them. Search Rosebud County land by owner or geocode, or pan to Colstrip and click. For a backup route to the map covering Colstrip, our Rosebud County directory entry keeps the link current.
Finding a printed Rosebud County plat book
Private publishers have printed plat books for many rural counties, but editions for Rosebud County come and go; inquire at the courthouse, the extension office or a farm supply store in Colstrip. Collectors and genealogists prize old Rosebud County atlases since they show farm names and owners near Ashland long before online maps.
What a plat book page displays near Forsyth
Plat book pages for Rosebud County generally include an index of owners, so you can locate a family name near Ashland without knowing the township. Owner names in an older Rosebud County edition may be decades out of date, so confirm on the county map before contacting anyone near Ashland. For a land purchase near Ashland, rely on the county parcel record and a title search, not an atlas.
Making your own atlas of Rosebud County
Names in an older Rosebud County atlas can lead you to the right deed in the grantor-grantee index for land near Ashland. If you cannot locate a printed edition, a screenshot of each township from the county map serves as a handy homemade atlas for the area around Ashland.
What drives land use around Forsyth
In 2022 the Census Bureau tallied 181 establishments in Rosebud County; retail trade topped the list. Utilities and accommodation (hotels, motels, RV parks and camps) make up an above-average share of Rosebud County businesses, a clue to how land around Colstrip gets used.
Rosebud County at a glance
Forsyth is the county seat, and Colstrip are among the other towns on the county map. Unincorporated communities in the county, including Ashland, Birney, and Lame Deer, show up as small groups of parcels along the roads. Census Bureau estimates put Rosebud County at about 8,160 residents in 2023 on approximately 5,008 square miles of land. Outside Forsyth, most of the county map is farm, ranch or timber ground with large, irregular tracts. With a founding date of 1901, Rosebud County has long chains of title on some rural tracts.
Neighboring maps around Rosebud County
A farm near the county line can carry separate records in Big Horn County, Custer County, and Garfield County as well. Every map bordering Rosebud County is listed on our Montana directory.
The free online alternative
For current ownership, the free Montana Cadastral beats any printed book: owners update as deeds are processed, and you can click any tract near Colstrip. Pair the county map with a road atlas for the back roads near Forsyth.
Rosebud County plat book questions
Is the Rosebud County, Montana online map better than a plat book?
For current owners near Colstrip, yes; the Montana Cadastral updates as deeds are processed.
Where can I locate old plat books for Rosebud County, Montana?
Some libraries and historical societies keep older Rosebud County atlases; ask what's available near Colstrip.
Is a plat book the same as a recorded plat for a lot in Forsyth?
No; a lot in Forsyth answers to its recorded plat, and the county atlas is a reference, nothing more.
Can I buy a new plat book for Rosebud County, Montana?
Editions come and go; inquire at the courthouse, extension office or farm supply stores in Forsyth.
Can I use a plat book to locate lot lines near Forsyth?
Only roughly; a Rosebud County plat book is a reference, so a survey decides the real line.
Open the official Rosebud County, MT parcel map Rosebud County 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.