How Frontier Scouts Helped Settle the American West

Before cartographers mapped the American frontier, it was a place of uncertainty and peril for explorers and settlers alike. That’s where scouts came in. As guides and interpreters on the western frontier, they relied on every sense to read the landscape, navigate its hazards and forge routes others could safely follow.

Some learned their skills as soldiers or fur trappers; others were tribal allies with lifelong knowledge of the terrain and wildlife. On any given day, they might be required to read tracks, forecast storms, negotiate with wary strangers, find water or distinguish edible roots from poisonous ones—all while pushing deeper into the unknown. The job also demanded extraordinary mental toughness to endure exhaustion and constant danger. A single mistake could prove fatal for the scout and anyone depending on them.

For hopeful homesteaders, scientific naturalists, gold prospectors, religious missionaries and military columns, frontier guides led the way across thousands of miles of uncharted territory. “Scouts proved essential in the opening and then the settling of the West,” says Paul Andrew Hutton, cultural historian and curator of western history for the Buffalo Bill Museum in Cody, Wyoming, and author of The Undiscovered Country: Triumph, Tragedy, and the Shaping of the American West. “From [Daniel] Boone leading people through Cumberland Gap to David Crockett in the Creek War to [Kit] Carson guiding John Frémont on his expeditions, they all proved crucial in exploration and settlement."

Following are key skills frontier scouts mastered and some of their exploits.

When encountering potential friends or foes, scouts and guides needed the ability to communicate across languages and cultures. Although unable to read, famed American scout Kit Carson was fluent in Spanish, French and several tribal languages—as well as a rudimentary sign language many Indians and trappers shared while trading.

On their pioneering 1804-1806 expedition to explore territory west of the Mississippi River, Corps of Discovery co-captains Meriwether Lewis and William Clark relied on a chain of interpreters. French-Canadian trapper Toussaint Charbonneau spoke French and Hidatsa; his Shoshone wife Sacagawea spoke both Shoshone and Hidatsa. Together with English- and French-speaking members of the corps, they negotiated passage through tribal territories. The expedition journals also relate instances when gifts bridged the language gap until trust could be established.

When guides found themselves in hostile territory, where close encounters might prove fatal, they sometimes turned to long-distance communication tools. By day they used flags, smoke or signal mirrors; at night, they relied on torches or shuttered lamps.

In 1859, career Army officer Randolph B. Marcy published The Prairie Traveler, a primer for westbound settlers based on his accumulated knowledge from three decades of frontier service as a military escort, explorer and cartographer. Having observed tribal use of smoke-signal communication, he urged military columns traveling separately to do the same. Messages—that an enemy is near, or that they should change direction or join up—would be understood by the number of signals and the intervals between them.

Successful scouts learned to read all kinds of terrain, discerning not only where people and animals had passed, but also who and how many they were.

In a section on trailing (aka tracking), Marcy described common trail signs and their proper interpretation. Among the natural telltales were animal tracks and their intervals (correlating to speed), the relative dryness of their droppings, disturbed vegetation and the effects of rain and dew. Manmade signs included smoke signals and the signature drag marks of Indian lodge poles.

Interpreting such clues correctly was an art that took years to master. “With some men, a lifetime does not suffice to learn it,” Marcy wrote.

In the age of handheld GPS devices, it might be hard to imagine a time when most of the country remained unmapped. Traveling parties in the frontier era depended on a scout’s ability to remain on course using a combination of remembered landmarks, compass bearings, dead reckoning (calculating one’s position from speed, time and direction) and, when possible, celestial navigation. Marcy advised bringing a reliable compass firmly affixed to one’s clothing and continually taking bearings in all directions. “A landscape presents a very different aspect when viewing it from opposite directions,” he wrote.

Finding the right river crossing could mean the difference between staying on course and losing days to a lengthy detour. Scouts judged where a river could be safely forded, when to build a raft or ferry and when high water made waiting the safest option. Once committed, they had to get people, wagons and livestock across with as few losses as possible. Marcy recommended non-swimmers be “mounted upon the best swimming horses and tied on, otherwise they are liable to become frightened, lose their balance, and be carried away in a rapid current.”

Although not the first men to traverse the interior, some frontiersmen became inextricably linked to the areas they explored, mapped and opened to settlement. Daniel Boone blazed the Wilderness Road through the Cumberland Gap, the principal route into Kentucky for generations of westbound settlers. Jim Bridger’s intimate knowledge of the Rocky Mountains made him one of the West’s most sought-after guides. And Jedediah Smith opened routes across the Sierra Nevada to California.

Finding shelter, water and food posed daily survival challenges on the frontier.

Natural shelter was scarce on the endlessly flat and treeless prairie, so scouts packed tarps or tents as protection from the elements, along with the poles to raise them. Fuel for the campfire usually came courtesy of the buffalo, whose dried dung burned better than wood. Matches proved the most reliable fire starter, though sometimes scouts had to resort to rubbing flint against steel over kindling or igniting gunpowder from a cartridge.

Knowing where to find potable water was truly a life-or-death skill. Experienced scouts often memorized the location of dependable springs along familiar routes. In their absence, guides relied on creeks, rivers or natural cisterns, boiling water when necessary. An observant scout also knew that animal tracks converge on water sources, while birds seek water at dawn and dusk.

Wagonloads of provisions, acquired at trading posts, were necessary when traveling the emigrant trails, but they rarely lasted through each leg of a journey. By necessity, scouts for smaller parties had to be experienced hunters adept with firearms. Where game was scarce, they had to recognize the full range of nontoxic edibles—from berries, roots and nuts to insects and lizards—and how to safely prepare them. Journal entries by Lewis and Clark often mention Sacagawea repeatedly putting that knowledge to use, including once using a sharp stick to dig wild artichokes from a cache hidden beneath driftwood by mice.

Situational awareness remains paramount when tracking or evading potential threats. Marcy recommended deploying scouts and flankers, preferably on high ground, to thwart ambush from ahead or behind.

Guides also needed to know the safest and most easily defendable spots to make camp. Marcy suggested the “concave bend” of a stream or “the crest of an abrupt hill or bluff.”

The aforementioned ability to read animal tracks also came in handy when trying to assess the presence of possible hostile forces. Like wild horses, Indian ponies weren’t shod, making their tracks hard to distinguish. But scouts knew that wild horses stop to graze, leaving concentrated dung, while Indians kept their mounts on the move.

Whether deciding where to camp, interpreting tracks or watching for an ambush, successful scouts learned that an abundance of caution and patience generally kept one out of harm’s way.

The routes they helped identify later carried wagon trains, stagecoaches and, in many cases, highways westward. But their greatest legacy was the practical knowledge that made those journeys possible—hard-won lessons in navigation, tracking and survival that still shape wilderness travel today.