CHAPTER VII.

OVER MOUNT WASHBURN TO THE FALLS OF THE YELLOWSTONE.

The Upper or Grand Cañon of the Yellowstone extends from the mouth

of Tower Creek to the foot of the Great Fall, a distance of twenty

miles. It is impassable throughout its entire length, and accessible

to the water's edge only at few points and by dint of severe labor.

The trail ascends the divide between Tower Creek and the Yellowstone,

skirting for six or eight miles the cañon of Tower Creek. The ground

rises rapidly and is much broken by creek-beds running parallel with

the river. Following the highest ridges, the first explorers reached

at last a point whence they could overlook the Grand Cañon cleaving

the slopes and breaking through the lofty mountain ranges in front.

Here they caught their first glimpse of a phenomenon afterwards to

become a familiar sight to them. Through the mountain gap formed by the

cañon, and on the interior slopes some twenty miles distant, an object

appeared which drew a simultaneous expression of wonder from every one

in the party. It was a column of steam, rising from the dense woods to

the height of several hundred feet. They had all heard fabulous stories

of this region, and were somewhat skeptical of appearances. At first it

was pronounced a fire in the woods, but presently some one noticed that

the vapor rose in regular puffs, as if expelled with a great force.

Then conviction was forced upon them. It was, indeed, a great column of

steam, puffing away on the lofty mountain side, with a roaring sound,

audible at a long distance, even through the heavy forest. A hearty

cheer rang out at this discovery, and they pressed onward with renewed

enthusiasm.

The highest peak of this ridge was named by the first company who

climbed it--Mount Washburn--in honor of their leader. The view from

its summit is "grand beyond description;" yet some conception of its

grandeur can be formed, let us hope, from the graphic review of its

more striking features by Lieutenant Doane.

"Looking northward, the great plateau stretches away from the base

of the mountain to the front and left with its innumerable groves

and sparkling waters, a variegated landscape of surpassing beauty,

bounded on its extreme verge by the cañons of the Yellowstone. The pure

atmosphere of this lofty region causes every outline of tree, rock, or

lakelet to be visible with wonderful distinctness, and objects twenty

miles away appear as if very near at hand. Still further to the left

the snowy ranges on the headwaters of Gardiner's River stretch away to

the westward, joining those on the head of the Gallatin, and forming,

with the Elephant's Back, a continuous chain, bending constantly to

the south, the rim of the Yellowstone Basin. On the verge of the

horizon appear, like mole-hills in the distance, and far below, the

white summits above the Gallatin Valley. These never thaw during the

summer months, though several thousand feet lower than where we now

stand upon the bare granite, and no snow visible near, save in the

depths of shaded ravines. Beyond the plateau to the right front is the

deep valley of the East Fork bearing away eastward, and still beyond,

ragged volcanic peaks, heaped in inextricable confusion, as far as the

limit of vision extends. On the east, close beneath our feet, yawns

the immense gulf of the Grand Cañon, cutting away the bases of two

mountains in forcing a passage through the range. Its yellow walls

divide the landscape nearly in a straight line to the junction of Warm

Spring (Tower) Creek below. The ragged edges of the chasm are from two

hundred to five hundred yards apart, its depth so profound that the

river bed is nowhere visible. No sound reaches the ear from the bottom

of the abyss; the sun's rays are reflected on the farther wall and then

lost in the darkness below. The mind struggles and then falls back upon

itself, despairing in the efforts to grasp by a single thought the idea

of its immensity. Beyond, a gentle declivity, sloping from the summit

of the broken range, extends to the limit of vision, a wilderness of

unbroken pine forest.

"Turning southward, a new and strange scene bursts upon the view.

Filling the whole field of vision, and with its boundaries in

the verge of the horizon, lies the great volcanic basin of the

Yellowstone--nearly circular in form, from fifty to seventy-five

miles in diameter; and with a general depression of about 2,000 feet

below the summits of the great ranges which form its outer rim. Mount

Washburn lies in the point of the circumference, northeast from the

centre of the basin; far away in the southwest, the three great Tetons

on Snake River fill another space in the circle; connecting these two

highest are crescent ranges, one westward and south, past Gardiner's

River and the Gallatin, bounding the lower Madison, thence to the

Jefferson and by the Snake River range to the Tetons; another eastward

and south, a continuous range by the head of Rose Bud, inclosing the

sources of the Snake, and joining the Tetons beyond. Between the south

and west points, this vast circle is broken through in many places

for the passage of the rivers; but a single glance at the interior

slopes of the ranges shows that a former complete connection existed,

and that the great basin has been one vast crater of a now extinct

volcano. The nature of the rocks, the steepness and outline of the

interior walls, together with other peculiarities to be mentioned

hereafter, render this conclusion a certainty. The lowest point in

this great amphitheatre lies directly in front of us, and about eight

miles distant: a grassy valley, branching between low ridges, running

from the river toward the centre of the basin. A small stream rises in

this valley, breaking through the ridges to the west in a deep cañon,

and falling into the channel of the Yellowstone, which here bears in a

northeast course, flowing in view as far as the confluence of the small

stream, thence plunged into the Grand Cañon, and hidden from sight. No

falls can be seen, but their location is readily detected by the sudden

disappearance of the river; beyond this open valley the basin appears

to be filled with a succession of low, converging ridges, heavily

timbered, and all of about an equal altitude.

"To the south appears a broad sheet of water--the Yellowstone Lake.

Across the Grand Cañon, on the slope of the great mountain wall, is the

steam jet seen this morning; and in the next ravine beyond it are six

more of inferior volume. Still farther south are others, to the number

of perhaps twenty, and to the southwest more of them, scattered over

the vast expanse of the basin, rising from behind the wooded hills in

every direction. The view in this respect strongly resembles that from

the Alleghanies, where they overlook iron and coal districts, with all

their furnaces in active operation, save that one looks in vain here

for the thrifty towns, country villas, steamboats, and railroad depots."

Does this picture seem overdrawn? The briefer and less enthusiastic

description of Dr. Hayden confirms its truth, though he does not accept

in full Lieutenant Doane's interpretation of it. He says, in his

official report:

"The view from the summit of Mount Washburn is one of the finest I have

ever seen, and although the atmosphere was somewhat obscured by smoke,

yet an area of fifty to one hundred miles radius in every direction

could be seen more or less distinctly. We caught the first glimpse

of the great basin of the Yellowstone, with the lake, which reminded

one much, from its bays, indentations, and surrounding mountains, of

Great Salt Lake. To the south are the Tetons, rising high above all the

rest, the monarchs of all they survey, with their summits covered with

perpetual snow. To the southwest an immense area of dense pine forests

extends for one hundred miles without a peak rising above the black,

level mass. A little farther to the southwest and west are the Madison

Mountains, a lofty, grand, snow-capped range, extending far to the

northward. Nearer and in full view, to the west commence the bold peaks

of the Gallatin Range, extending northward as far as the eye can reach.

To the north we get a full view of the valley of the Yellowstone, with

the lofty ranges that wall it in. Emigrant Peak, and the splendid group

of mountains of which it is a part, can be clearly seen, and lose none

of their marvellous beauty of outline, view them from what point we

may. To the north and east the eye scans the most remarkable chaotic

mass of peaks of the most rugged character, apparently without system,

yet sending their jagged summits high up among the clouds. Farther

distant are somewhat more regular ranges, snow-covered, probably the

Big Horn. But with all this magnificent scenery around us from every

side, the greatest beauty was the lake, in full view to the southeast,

set like a gem amid the high mountains, which are literally bristling

with peaks, many of them capped with snow. These are all of volcanic

origin, and the fantastic shapes which many of them have assumed under

the hand of time, called forth a variety of names from my party. There

were two of them that represented the human profile so well that we

called them the "Giant's Face "and "Old Man of the Mountain." These

formed good landmarks for the topographer, for they were visible from

every point of the basin."

As regards the geological character of the country seen from Mount

Washburn, Dr. Hayden observes, in discussing the geology of the region:

"We may say, in brief, that the entire basin of the Yellowstone is

volcanic. I am not prepared to pronounce it a crater, with a lake

occupying the inner portion, while the mountains that surround the

basin are the ruins of this great crater; but, at a period not very

remote in the geological past, this whole country was a scene of

wonderful volcanic activity. I regard the hot springs so abundant all

over the valley as the last stages of this grand scene. Hot springs,

geysers, etc., are so intimately connected with what we usually term

volcanoes that their origin and action admit of the same explanation.

Both undoubtedly form safety-valves or vents for the escape of the

powerful forces that have been generated in the interior of the earth

since the commencement of our present period; the true volcanic action

has ceased, but the safety-valves are the thousands of hot springs all

over this great area. I believe that the time of the greatest volcanic

activity occurred during the Pliocene period--smoke, ashes, fragments

of rock, and lava poured forth from thousands of orifices into the

surrounding waters. Hundreds of cones were built up, fragments of which

still remain; and around them were arranged by the water the dust and

fragments of rock, the _ejectamenta_ of these volcanoes, in the form of

the conglomerate or breccia as we find it now. These orifices may have

been of every possible form--rounded or oblong, mere fissures, perhaps,

extending for miles, and building up their own crater rims as the hot

springs build up their rounded, conical peaks or oblong mounds at the

present time."

Leaving Mount Washburn, with its summit piles of basalt, and its

precipitous slope scattered with agates and beautiful fragments of

sardonyx, chalcedony, and malachite, let us descend to the valley.

The trail pursues a tortuous way to avoid the fallen timber and the

dense groves of pine, descending the almost vertical inner sides of the

rim of the Yellowstone Basin, to the valley of a small creek. Two or

three miles down this stream is a hideous glen, filled with sulphurous

vapor emitted from six or eight boiling springs of great size and

activity. Mr. Langford says of this unsavory place:

"It looked like nothing earthly we had ever seen, and the pungent fumes

which filled the atmosphere were not unaccompanied by a disagreeable

sense of possible suffocation. Entering the basin cautiously, we found

the entire surface of the earth covered with the incrusted sinter

thrown from the springs. Jets of hot vapor were expelled through

a hundred natural orifices with which it was pierced, and through

every fracture made by passing over it. The springs themselves were

as diabolical in appearance as the witches' caldron in Macbeth, and

needed but the presence of Hecate and her weird band to realize that

horrible creation of poetic fancy. They were all in a state of violent

ebullition, throwing their liquid contents to the height of three or

four feet. The largest had a basin twenty by forty feet in diameter.

Its greenish-yellow water was covered with bubbles, which were

constantly rising, bursting, and emitting sulphurous gas from various

parts of its surface. The central spring seethed and bubbled like a

boiling caldron. Fearful volumes of vapor were constantly escaping it.

Near it was another, not so large, but more infernal in appearance.

Its contents, of the consistency of paint, were in constant, noisy

ebullition. A stick thrust into it, on being withdrawn, was coated

with lead-colored slime a quarter of an inch in thickness. Nothing

flows from this spring. Seemingly, it is boiling down. A fourth spring,

which exhibited the same physical features, was partly covered by an

overhanging ledge of rock. We tried to fathom it, but the bottom was

beyond the reach of the longest pole we could find. Rocks cast into it

increased the agitation of its waters. There were several other springs

in the group, smaller in size, but presenting the same characteristics.

"The approach to them was unsafe, the incrustation surrounding them

bending in many places beneath our weight,--and from the fractures thus

created would ooze a sulphury slime of the consistency of mucilage.

It was with great difficulty that we obtained specimens from the

natural apertures with which the crust is filled,--a feat which was

accomplished by one only of our party, who extended himself at full

length upon that portion of the incrustation which yielded the least,

but which was not sufficiently strong to bear his weight while in an

upright position, and at imminent risk of sinking into the infernal

mixture, rolled over and over to the edge of the opening, and with the

crust slowly bending and sinking beneath him, hurriedly secured the

coveted prize."

[Illustration: GETTING A SPECIMEN.]

"There was something so revolting in the general appearance of the

springs and their surroundings--the foulness of the vapors, the

infernal contents, the treacherous incrustation, the noisy ebullition,

the general appearance of desolation, and the seclusion and wildness

of the location--that, though awestruck, we were not unreluctant to

continue our journey without making them a second visit."

Once more our amateur explorers had recourse to their western

vocabulary, and bestowed on this unhappy locality the title,

"Hell-broth Springs"--which, says the historian of the expedition,

"fully expressed our appreciation of their character."

The following season this remarkable group of springs was thoroughly

examined by the party under Dr. Hayden. That careful observer says:

"They are evidently diminishing in power, but the rims all around

reveal the most powerful manifestations far back in the past. Sulphur,

copper, alum, and soda cover the surface. There is also precipitated

around the borders of some of the mud springs a white efflorescence,

probably nitrate of potash. These springs are located on the side of

the mountain, nearly 1,000 feet above the margin of the cañon, but

extend along into the level portions below.... One of these springs was

bubbling quite briskly, but had a temperature of only 100°. Near it is

a turbid spring of 170°. In the valley are a large number of turbid,

mud, and boiling springs, with temperatures from 175° to 185°. There

are a number of springs that issue from the side of the mountain, and

the waters, gathering into one channel, flow into the Yellowstone, The

number of frying or simmering springs is great. The ground in many

places, for several yards in every direction, is perforated like a

sieve, and the water bubbles by with a simmering noise. There is one

huge boiling spring which deposits fine black mud all around the sides.

The depth of the crater of this spring, its dark, gloomy appearance,

and the tremendous force which it manifested in its operations, led

us to name it the "Devil's Caldron." There are a large number of

springs here, but no true geysers. It is plainly the last stages of

what was once a most remarkable group. Extending across the cañon on

the opposite side of the Yellowstone, interrupted here and there, this

group of springs extends for several miles, forming one of the largest

deposits of silica, but only here and there are there signs of life.

Many of the dead springs are mere basins, with a thick deposit of iron

on the sides, lining the channel of the water that flows from them.

These vary in temperature from 98° to 120°. The highest temperature

was 192°. The steam-vents are very numerous, and the chimneys are

lined with sulphur. Where the crust can be removed, we find the under

side lined with the most delicate crystals of sulphur, which disappear

like frost-work at the touch. Still there is a considerable amount of

solid amorphous sulphur. The sulphur and the iron, with the vegetable

matter which is always very abundant about the springs, give, through

the almost infinite variety of shades, a most pleasing and striking

picture. One of the mud springs, with a basin twenty by twenty-five

feet, and six feet deep, is covered with large bubbles or puffs

constantly bursting with a thud. There are a number of high hills in

this vicinity entirely composed of the hot-spring deposits, at least

nine-tenths silica, appearing snowy-white in the distance; one of

the walls is 175 feet high, and another about 70 feet. They are now

covered to a greater or less extent with pines. Steam is constantly

issuing from vents around the base and from the sides of these hills.

There is one lake 100 by 300 yards, with a number of bubbling and

boiling springs rising to the surface. Near the shore is one of the

sieve-springs, with a great number of small perforations, from which

the water bubbles up with a simmering noise; temperature, 188°. This

group really forms one of the great ruins."

A short day's march from Hell-broth Spring brings the traveller to a

little stream flowing into the Yellowstone, between the upper and the

lower fall. From its rapid and tumultuous flow, the first explorers

called it Cascade Creek. Just before its union with the Yellowstone it

traverses a gloomy gorge cut through a kind of volcanic sandstone,

largely made up of fragments of obsidian and other igneous rocks

cemented with volcanic ash. This rock is worn by the water into so many

fantastic shapes and cavernous recesses, that--with their usual poverty

of invention and tartarean taste--the first observers straightway gave

the uncanny channel over to the Prince of Darkness, and dubbed it the

Devil's Den. A mile below this gorge the stream flows over a series

of ledges, making a cascade as beautiful as its previous course has

been weird and ugly. There is first a fall of five feet, which is

immediately succeeded by another of fifteen, into a pool as clear as

amber, nestled beneath overarching rocks. Here the stream lingers as if

half reluctant to continue its course, then gracefully emerges from the

grotto, and, veiling the rocks down an abrupt descent of eighty-four

feet, passes rapidly on to the Yellowstone. For a wonder, this charming

fall has received a corresponding name--Crystal Cascade. An infinite

variety of volcanic specimens, quartz, feldspar, mica, granites, lavas,

basalts, composite crystals--in fact, everything, from asbestos to

obsidian, is represented by fragments in the bed of this stream.

[Illustration: THE DEVIL'S DEN.]

At the foot of the gorge and on the margin of the Yellowstone stands a

high promontory of concretionary lava, literally filled with volcanic

butternuts. Many of these are loose, and can be taken out of the rock

with the hand; broken open, they are invariably hollow, and lined with

minute quartz crystals of various tints. This rare formation occurs

frequently in the great basin.

Wonders of the Yellowstone · 第 7 / 16 章