Definition
A blanket territory is a defined geographic region within which a railroad or carrier applies a uniform freight rate to all shipping points, regardless of the actual distance traveled within that region. The rate does not vary based on how far within the territory the shipment originates; all points inside the boundary are treated as rate-equivalent for purposes of calculating charges to destinations beyond the territory's edge.
The term originates in the lumber and timber trade of the late nineteenth and early twentieth centuries. The specific region identified in historical sources is the extensive area lying west of the Mississippi River and south of the Arkansas River, a zone associated with southern yellow pine and other timber commerce. Within this zone, carriers published a single "blanket" rate on logs and lumber from any shipping point to destinations outside the territory, effectively collapsing distance-based differentiation into a flat zone charge.
Common Language
Modern common usage (Wiktionary): "Blanket" as an adjective means applying to all cases or instances without exception; comprehensive or inclusive without differentiation.
Historical common usage (Webster's 1913): "Blanket" as a noun refers to a heavy woven covering; as an adjective, it was used colloquially to mean something that covers or applies broadly.
The legal-commercial meaning builds directly on the ordinary adjective — a blanket rate covers all points within the zone as if with a single covering — but the term acquires a precise technical character in railroad rate law and ICC practice. The ordinary word suggests mere breadth; the legal-commercial term implies a specific rate-setting methodology with regulatory consequences, particularly under interstate commerce law.
Why It Matters in Research
Researchers will encounter this term almost exclusively in railroad rate litigation, Interstate Commerce Commission proceedings, and lumber trade disputes from roughly 1880 through the mid-twentieth century. A few navigational points:
First, the term is industry-specific and period-specific. It does not appear as a general term of art in modern transportation law, where zone-based or flat-rate structures are described in different regulatory vocabulary. Researchers working in post-1960s materials should not expect to find "blanket territory" used in this sense.
Second, the geographic definition matters for case outcomes. Whether a particular shipping point fell within or outside the blanket territory determined which rate schedule applied. Disputes over boundary lines generated ICC docket entries and federal court decisions. When reading historical sources, pay attention to whether the source is describing the lumber blanket territory specifically or using "blanket territory" more loosely to describe any zone-rated region — the term could be applied analogically to other commodity trades and other geographic zones.
Third, the rate-equality implications connect this term to broader railroad discrimination doctrine. A blanket rate could be attacked as discriminatory if it treated a closer point the same as a more distant one at a shipper's expense, or defended as a commercially rational zone structure. Research into this term will therefore intersect with long-and-short-haul clause litigation and Section 4 of the Interstate Commerce Act.
Fourth, this term does not appear in general legal dictionaries beyond Bouvier's, and even Bouvier's entry is truncated. Researchers should not expect comprehensive treatment in secondary legal literature; the detailed definitions live in ICC reports, railroad tariff schedules, and trade publications of the lumber industry.
Historical Dictionary Support
Bouvier's Law Dictionary provides the sole entry among standard legal dictionaries. The Bouvier's definition is itself incomplete — the surviving text breaks off mid-sentence after noting that the territory "extends about 40" (miles or degrees, unspecified in the available text). This truncation is a research hazard: do not treat the Bouvier's entry as a complete geographic or regulatory definition.
Bouvier's correctly identifies two key features: the geographic anchor (west of the Mississippi, south of the Arkansas River) and the rate mechanism (uniform rate regardless of distance within the zone). What the entry does not address — and what researchers will need to supplement from ICC reports and trade sources — is the regulatory treatment of such zones, the history of challenges to blanket rates under the Interstate Commerce Act, and how the boundaries of the territory were formally established and contested.
No other major historical law dictionary (Black's, Stroud's, Wharton's) carries a dedicated entry for this term, reflecting its status as a trade and regulatory term rather than a common law concept.
Jurisdictional Note
The blanket territory as defined in historical sources is a creature of federal railroad rate regulation and applies most directly to interstate commerce subject to ICC jurisdiction. State rate regulation could create parallel or conflicting zone structures for intrastate shipments, but the term as used in legal sources almost always refers to the interstate commerce context.