"boundary range" is a correct and usable phrase in written English.
It refers to the limits or limits of something, such as a geographic area or a set of numbers. Example: The city's boundary range includes several surrounding suburbs. In this sentence, "boundary range" is used to describe the limits of the city's territory. Another example: The new insurance policy covers a wide boundary range of damages, from minor accidents to major disasters. In this example, "boundary range" is used to describe the range of damages that the insurance policy covers.
It flows from the southern half of the huge Juneau Icefield, which begins in the Boundary Ranges along the Alaska-Canada border.
Mean January temperatures range from −20 °F (−29 °C) in the Brooks Range to between 14 and 32 °F (−10 and 0 °C) in the Boundary Ranges of the panhandle.
Lying to the west of the Boundary Ranges on the mainland is the rugged and scenic island complex of the Alexander Archipelago.
The St . Elias Mountains in turn, merge to the southeast into the mountains of the coastal Boundary Ranges, which, with the mountainous islands of the Alexander Archipelago, constitute the Alaskan panhandle.
Winter temperatures at or below −50 °F (−46 °C) are not unusual, however, in the mountains of the interior and at higher elevations in the Boundary Ranges.
Much of the mainland panhandle region, a narrow strip of land 25 to 50 miles (40 to 80 km) wide lying east and south of the St .Elias Mountains, is composed of the Boundary Ranges.
The heavily glaciated Boundary Ranges along the Alaska-Canada border extend between the Skagway River at the northern end of Alaska's Inside Passage southward to the Portland Canal southeast of Ketchikan.
The Alaska and Aleutian ranges together with the Talkeetna, Chugach, and Wrangell mountains, the interior part of the St . Elias Mountains and the Boundary Ranges of southeastern Alaska and flanking interior sectors of northwestern British Columbia Canadaa)—constitute the most massive and spectacular mountain system in North America.
A unique and distinguishing characteristic of the Boundary Ranges are the inclusion of accretionary terranes massive zones of exotic rock types rafted into positions that now are some distance inland and are found even on the interior Canadian flanks of the Juneau and Stikine ice fields.
