By night we had climbed to the top of the northern wall, camping at the

head-waters of a small brook, named by emotional Mr. Hutchings, I

believe, the Virgin’s Tears, because from time to time from under the

brow of a cliff just south of El Capitan there may be seen a feeble

water-fall. I suspect this sentimental pleasantry is intended to bear

some relation to the Bridal Veil Fall opposite. If it has any such force

at all, it is a melancholy one, given by unusual gauntness and an aged

aspect, and by the few evanescent tears which this old virgin sheds.

A charming camp-ground was formed by bands of russet meadow wandering in

vistas through a stately forest of dark green fir-trees unusually

feathered to the base. Little, mahogany-colored pools surrounded with

sphagnum lay in the meadows, offering pleasant contrast of color. Our

camp-ground was among clumps of thick firs, which completely walled in

the fire, and made close, overhanging shelters for table and beds.

Gardiner, Cotter, and I felt thankful to our thermometer for owning up

frankly the chill of the next morning, as we left a generous camp-fire

and marched off through fir forest and among brown meadows and bare

ridges of rock toward El Capitan. This grandest of granite precipices is

capped by a sort of forehead of stone sweeping down to level, severe

brows, which jut out a few feet over the edge. A few weather-beaten,

battle-twisted, and black pines cling in clefts, contrasting in force

with the solid white stone.

We hung our barometer upon a stunted tree quite near the brink, and,

climbing cautiously down, stretched ourselves out upon an overhanging

block of granite, and looked over into the Yosemite Valley.

The rock fell under us in one sheer sweep of thirty-two hundred feet;

upon its face we could trace the lines of fracture and all prominent

lithological changes. Directly beneath, outspread like a delicately

tinted chart, lay the lovely park of Yosemite, winding in and out about

the solid white feet of precipices which sank into it on either side;

its sunlit surface invaded by the shadow of the south wall; its spires

of pine, open expanses of buff and drab meadow, and families of umber

oaks rising as background for the vivid green river-margin and flaming

orange masses of frosted cottonwood foliage.

Deep in front the Bridal Veil brook made its way through the bottom of

an open gorge, and plunged off the edge of a thousand-foot cliff,

falling in white water-dust and drifting in pale, translucent clouds out

over the tree-tops of the valley.

Directly opposite us, and forming the other gatepost of the valley’s

entrance, rose the great mass of Cathedral Rocks,--a group quite

suggestive of the Florence Duomo.

But our grandest view was eastward, above the deep, sheltered valley and

over the tops of those terrible granite walls, out upon rolling ridges

of stone and wonderful granite domes. Nothing in the whole list of

irruptive products, except volcanoes themselves, is so wonderful as

these domed mountains. They are of every variety of conoidal form,

having horizontal sections accurately elliptical, ovoid, or circular,

and profiles varying from such semi-circles as the cap behind the

Sentinel to the graceful, infinite curves of the North Dome. Above and

beyond these stretch back long, bare ridges connecting with sunny summit

peaks. The whole region is one solid granite mass, with here and there

shallow soil layers, and a thin, variable forest which grows in

picturesque mode, defining the leading lines of erosion as an artist

deepens here and there a line to hint at some structural peculiarity.

A complete physical exposure of the range, from summit to base, lay

before us. At one extreme stand sharpened peaks, white in fretwork of

glistening icebank, or black where tower straight bolts of snowless

rock; at the other stretch away plains smiling with a broad, honest

brown under autumn sunlight. They are not quite lovable, even in distant

tranquillity of hue, and just escape being interesting, in spite of

their familiar rivers and associated belts of oaks. Nothing can ever

render them quite charming, for in the startling splendor of flower-clad

April you are surfeited with an embarrassment of beauty; at all other

times stunned by their poverty. Not so the summits; forever new, full of

individuality, rich in detail, and coloring themselves anew under every

cloud change or hue of heaven, they lay you under their spell.

From them the eye comes back over granite waves and domes to the sharp

precipice-edges overhanging Yosemite. We look down those vast, hard,

granite fronts, cracked and splintered, scarred and stained, down over

gorges crammed with _débris_, or dark with files of climbing pines.

Lower the precipice-feet are wrapped in meadow and grove, and beyond,

level and sunlit, lies the floor,--that smooth, river-cut park, with

exquisite perfection of finish.

The dome-like cap of Capitan is formed of concentric layers like the

peels of an onion, each one about two or three feet thick. Upon the

precipice itself, either from our station on an overhanging crevice, or

from any point of opposite cliff or valley bottom, this structure is

seen to be superficial, never descending more than a hundred feet.

In returning to camp we followed a main ridge, smooth and white under

foot, but shaded by groves of alpine firs. Trees which here reach mature

stature, and in apparent health, stand rooted in white gravel, resulting

from surface decomposition. I am sure their foliage is darker than can

be accounted for by effect of white contrasting earth. Wherever, in deep

depressions, enough wash soil and vegetable mould have accumulated,

there the trees gather in thicker groups, lift themselves higher, spread

out more and finer-feathered branches; sometimes, however, richness of

soil and perfection of condition prove fatal through overcrowding. They

are wonderfully like human communities. One may trace in an hour’s walk

nearly all the laws which govern the physical life of men.

Upon reaching camp we found Longhurst in a deep, religious calm, happy

in his mind, happy, too, in the posture of his body, which was reclining

at ease upon a comfortable blanket-pile before the fire; a verse of the

hymn “Coronation” escaped murmurously from his lips, rising at times in

shaky crescendos, accompanied by a waving and desultory movement of the

forefinger. He had found among our medicines a black bottle of brandy,

contrived to induce a mule to break it, and, just to save as much as

possible while it was leaking, drank with freedom. Anticipating any

possible displeasure of ours, Longhurst had collected his wits and

arrived at a most excellent dinner, crowning the repast with a duff,

accurately globular, neatly brecciated with abundant raisins, and

drowned with a foaming sauce, to which the last of the brandy imparted

an almost pathetic flavor.

The evening closed with moral remark and spiritual song from Longhurst,

and the morning introduced us to our prosaic labor of running the

boundary line,--a task which consumed several weeks, and occupied nearly

all of our days. I once or twice found time to go down to the

cliff-edges again for the purpose of making my geological studies.

An excursion which Cotter and I made to the top of the Three Brothers

proved of interest. A half-hour’s walk from camp, over rolling granite

country, brought us to a ridge which jutted boldly out from the plateau

to the edge of the Yosemite wall. Upon the southern side of this

eminence heads a broad, _débris_-filled ravine, which descends to the

valley bottom; upon the other side the ridge sends down its waters along

a steep declivity into a lovely mountain basin, where, surrounded by

forest, spreads out a level expanse of emerald meadow, with a bit of

blue lakelet in the midst. The outlet of this little valley is through a

narrow rift in the rocks leading down into the Yosemite fall.

Along the crest of our jutting ridge we found smooth pathway, and soon

reached the summit. Here again we were upon the verge of a precipice,

this time four thousand two hundred feet high. Beneath us the whole

upper half of the valley was as clearly seen as the southern half had

been from Capitan. The sinuosities of the Merced, those narrow, silvery

gleams which indicated the channel of the Yosemite creek, the broad

expanse of meadow, and _débris_ trains which had bounded down the

Sentinel slope, were all laid out under us, though diminished by immense

depth.

The loftiest and most magnificent parts of the walls crowded in a

semi-circle in front of us; above them the domes, lifted even higher

than ourselves, swept down to the precipice-edges. Directly to our left

we overlooked the goblet-like recess into which the Yosemite tumbles,

and could see the white torrent leap through its granite lip,

disappearing a thousand feet below, hidden from our view by projecting

crags; its roar floating up to us, now resounding loudly, and again

dying off in faint reverberations like the sounding of the sea.

Looking up upon the falls from the valley below, one utterly fails to

realize the great depth of the semi-circular alcove into which they

descend.

Looking back at El Capitan, its sharp, vertical front was projected

against far blue foot-hills, the creamy whiteness of sunlit granite cut

upon aërial distance, clouds and cold blue sky shutting down over white

crest and jetty pine-plumes, which gather helmet-like upon its upper

dome. Perspective effects are marvellously brought out by the stern,

powerful reality of such rock bodies as Capitan. Across their terrible,

blade-like precipice-edges you look on and down over vistas of cañon and

green hillswells, the dark color of pine and fir broken by bare spots of

harmonious red or brown, and changing with distance into purple, then

blue, which reaches on farther into the brown monotonous plains. Beyond,

where the earth’s curve defines its horizon, dim serrations of Coast

Range loom indistinctly on the hazy air. From here those remarkable

fracture results, the Royal Arches, a series of recesses carved into the

granite front, beneath the North Dome, are seen in their true

proportions.

The concentric structure, which covers the dome with a series of plates,

penetrates to a greater depth than usual. The Arches themselves are

only fractured edges of these plates, resulting from the intersection

of a cliff-plane with the conoidal shells.

We had seen the Merced group of snow-peaks heretofore from the west, but

now gained a more oblique view, which began to bring out the thin

obelisk-form of Mount Clark, a shape of great interest from its

marvellous thinness. Mount Starr King, too, swelled up to its commanding

height, the most elevated of the domes.

Looking in the direction of the Half-Dome, I was constantly impressed

with the inclination of the walls, with the fact that they are never

vertical for any great depth. This is observed, too, remarkably in the

case of El Capitan, whose apparently vertical profile is very slant, the

actual base standing twelve hundred feet in advance of the brow.

For a week the boundary survey was continued northeast and parallel to

the cliff-wall, about a mile back from its brink, following through

forests and crossing granite spurs until we reached the summit of that

high, bare chain which divides the Virgin’s Tears from Yosemite Creek,

and which, projecting southward, ends in the Three Brothers. East of

this the declivity falls so rapidly to the valley of the upper Yosemite

Creek that chaining was impossible, and we were obliged to throw our

line across the cañon, a little over a mile, by triangulation. This

completed, we resumed it on the North Dome spur, transferring our camp

to a bit of alpine meadow south of the Mono trail, and but a short

distance from the North Dome itself.

After the line was finished here, and a system of triangles determined

by which we connected our northern points with those across the chasm of

the Yosemite, we made several geological excursions along the cliffs,

studying the granite structure, working out its lithological changes,

and devoting ourselves especially to the system of moraines and glacier

marks which indicate direction and volume of the old ice-flow.

An excursion to the summit of the North Dome was exceedingly

interesting. From the rear of our camp we entered immediately a dense

forest of conifers, which stretched southward along the summit of the

ridge until solid granite, arresting erosion, afforded but little

foothold. As usual, among the cracks, and clinging around the bases of

bowlders, a few hardy pines manage to live, almost to thrive; but as we

walked groups became scarcer, trees less healthy, all at last giving way

to bare, solid stone. The North Dome itself, which is easily reached,

affords an impressive view up the Illilluette and across upon the

fissured front of the Half-Dome. It is also one of the most interesting

specimens of conoidal structure, since not only is its mass divided by

large, spherical shells, but each of these is subdivided by a number of

lesser, divisional planes. No lithological change is, however,

noticeable between the different shells. The granite is composed

chiefly of orthoclase, transparent vitreous quartz, and about an equal

proportion of black mica and hornblende. Here and there adularia occurs,

and, very sparingly, albite.

With no difficulty, but some actual danger, I climbed down a smooth

granite roof-slope to where the precipice of Royal Arches makes off, and

where, lying upon a sharp, neatly fractured edge, I was able to look

down and study those purple markings which are vertically striped upon

so many of these granite cliffs. I found them to be bands of lichen

growth which follow the curves of occasional water-flow. During any

great rain-storm, and when snow upon the uplands is suddenly melted,

innumerable streams, many of them of considerable volume, find their way

to the precipice-edge, and pour down its front. Wherever this is the

case, a deep purple lichen spreads itself upon the granite, and forms

those dark cloudings which add so greatly to the variety and interest of

the cliffs.

I found it extremest pleasure to lie there alone on the dizzy brink,

studying the fine sculpture of cliff and crag, overlooking the

arrangement of _débris_ piles, and watching that slow, grand growth of

afternoon shadows. Sunset found me there, still disinclined to stir, and

repaid my laziness by a glorious spectacle of color. At this hour there

is no more splendid contrast of light and shade than one sees upon the

western gateway itself,--dark-shadowed Capitan upon one side profiled

against the sunset sky, and the yellow mass of Cathedral Rocks rising

opposite in full light, while the valley is divided equally between

sunshine and shade. Pine groves and oaks, almost black in the shadow,

are brightened up to clear red-browns where they pass out upon the

lighted plain. The Merced, upon its mirror-like expanses, here reflects

deep blue from Capitan, and there the warm Cathedral gold. The last

sunlight reflected from some curious, smooth surfaces upon rocks east of

the Sentinel, and about a thousand feet above the valley. I at once

suspected them to be glacier marks, and booked them for further

observation.

My next excursion was up to Mount Hoffmann, among a group of

snow-fields, whose drainage gathers at last through lakes and brooklets

to a single brook (the Yosemite), and flows twelve miles in a broad arc

to its plunge over into the valley. From the summit, which is of a

remarkably bedded, conoidal mass of granite, sharply cut down in

precipices fronting the north, is obtained a broad, commanding view of

the Sierras from afar, by the heads of several San Joaquin branches, up

to the ragged volcanic piles about Silver Mountain.

From the top I climbed along slopes, and down by a wide _détour_ among

frozen snow-banks and many little basins of transparent blue water, amid

black shapes of stunted fir, and over the confused wreck of rock and

tree-trunk thrown rudely in piles by avalanches whose tracks were fresh

enough to be of interest.

Upon reaching the bottom of a broad, open glacier-valley, through whose

middle flows the Yosemite Creek and its branches, I was surprised to

find the streams nearly all dry; that the snow itself, under influence

of cold, was a solid ice mass, and the Yosemite Creek, even after I had

followed it down for miles, had entirely ceased to flow. At intervals

the course of the stream was carried over slopes of glacier-worn

granite, ending almost uniformly in shallow rock basins, where were

considerable ponds of water, in one or two instances expanding to the

dignity of lakelets.

The valley describes an arc whose convexity is in the main turned to the

west, the stream running nearly due west for about four miles, turning

gradually to the southward, and, having crossed the Mono trail, bending

again to the southeast, after which it discharges over the verge of the

cliff. An average breadth of this valley is about half a mile; its form

a shallow, elliptical trough, rendered unusually smooth by the erosive

action of old glaciers. _Roches moutonnées_ break its surface here and

there, but in general the granite has been planed down into remarkable

smoothness. All along its course a varying rubbish of angular bowlders

has been left by the retiring ice, whose material, like that of the

whole country, is of granite; but I recognized prominently black

sienitic granite from the summit of Mount Hoffmann, which, from superior

hardness, has withstood disintegration, and is perhaps the most

frequent material of glacier-blocks. The surface modelling is often of

the most finished type; especially is this the case wherever the granite

is highly silicious, its polish becoming then as brilliant as a marble

mantel. In very feldspathic portions, and particularly where orthoclase

predominates, the polished surface becomes a crust, usually about

three-quarters of an inch thick, in which the ordinary appearance of the

minerals has been somewhat changed, the rock-surface, by long pressure,

rendered extremely dense, and in a measure separated from the underlying

material. This smooth crust is constantly breaking off in broad flakes.

The polishing extended up the valley sides to a height of about seven

hundred feet.

The average section of the old glacier was perhaps six hundred feet

thick by half a mile in width. I followed its course from Mount Hoffmann

down as far as I could ride, and then, tying my horse only a little way

from the brink of the cliff, I continued downward on foot, walking upon

the dry stream-bed. I found here and there a deep pit-hole, sometimes

twenty feet deep, carved in mid-channel, and often full of water. Just

before reaching the cliff verge the stream enters a narrow, sharp cut

about one hundred and twenty feet in depth, and probably not over thirty

feet wide. The bottom and sides of this granite lip, here and there, are

evidently glacier-polished, but the greater part of the scorings have

been worn away by the attrition of sands. A peculiar, brilliant polish,

which may be seen there to-day, is wholly the result of recent sand

friction.

It was noon when I reached the actual lip, and crept with extreme

caution down over smooth, rounded granite, between towering walls, to

where the Yosemite Fall makes its wonderful leap. Polished rock curved

over too dangerously for me to lean out and look down over the

cliff-front itself. A stone gate dazzlingly gilded with sunlight formed

the frame through which I looked down upon that lovely valley.

Contrast with the strength of yellow rock and severe adamantine

sculpture threw over the landscape beyond a strange unreality, a soft,

aërial depth of purple tone quite as new to me as it was beautiful

beyond description. There, twenty-six hundred feet below, lay meadow and

river, oak and pine, and a broad shadow-zone cast by the opposite wall.

Over it all, even through the dark sky overhead, there seemed to be

poured some absolute color, some purple air, hiding details, and veiling

with its soft, amethystine obscurity all that hard, broken roughness of

the Sentinel cliffs. In this strange, vacant, stone corridor, this

pathway for the great Yosemite torrent, this sounding-gallery of

thunderous tumult, it was a strange sensation to stand, looking in vain

for a drop of water, listening vainly, too, for the faintest whisper of

sound, and I found myself constantly expecting some sign of the

returning flood.

From the lip I climbed a high point just to the east, getting a grand

view down the cliff, where a broad, purple band defined the Yosemite

spray line. There, too, I found unmistakable ice-striæ, showing that the

glacier of Mount Hoffmann had actually poured over the brink. At the

moments of such discovery, one cannot help restoring in imagination

pictures of the past. When we stand by river-bank or meadow of that fair

valley, looking up at the torrent falling bright under fulness of light,

and lovely in its graceful, wind-swayed airiness, we are apt to feel its

enchantment; but how immeasurably grander must it have been when the

great, living, moving glacier, with slow, invisible motion, crowded its

huge body over the brink, and launched blue ice-blocks down through the

foam of the cataract into that gulf of wild rocks and eddying mist!

The one-eyed mule, Bonaparte, I found tied where I had left him; and, as

usual, I approached him upon his blind side, able thus to get

successfully into my saddle, without danger to life or limb. I could

never become attached to the creature, although he carried me faithfully

many difficult and some dangerous miles, and for the reason that he made

a pretext of his half-blindness to commit excesses, such as crowding me

against trees and refusing to follow trails. Realizing how terrible

under reinforcement of hereditary transmission the peculiarly mulish

traits would have become, one is more than thankful to Nature for

depriving this singular hybrid of the capacity of handing them down.

Rather tired, and not a little bruised by untimely collision with trees,

I succeeded at last in navigating Bonaparte safely to camp, and turning

him over to his fellow, Pumpkinseed.

The nights were already very cold, our beds on frozen ground none of the

most comfortable; in fact, enthusiasm had quite as much to do with our

content as the blankets or Longhurst’s culinary art, which, enclosed now

by the narrow limit of bacon, bread, and beans, failed to produce such

dainties as thrice-turned slapjacks or plum-duffs of solemnizing memory.

One more geological trip finished my examination of this side of the

great valley. It was a two days’ ramble all over the granite ridges,

from the North Dome up to Lake Tenaya, during which I gathered ample

evidence that a broad sheet of glacier, partly derived from Mount

Hoffmann, and in part from the Mount Watkins Ridge and Cathedral Peak,

but mainly from the great Tuolumne glacier, gathered and flowed down

into the Yosemite Valley. Where it moved over the cliffs there are

well-preserved scarrings. The facts which attest this are open to

observation, and seem to me important in making up a statement of past

conditions.

We were glad to get back at last to our two little cabins in the valley,

although our serio-comic hangers-on, the Diggers, were gone, and the

great fall was dry.

A rest of one day proved refreshing enough for us to leave camp and

ascend by the Mariposa trail to Meadow Brook, where we made a bivouac,

from which Gardiner began his southern boundary line, and I renewed my

geological studies east of Inspiration Point.

I always go swiftly by this famous point of view now, feeling somehow

that I don’t belong to that army of literary travellers who have here

planted themselves and burst into rhetoric. Here all who make California

books, down to the last and most sentimental specimen who so much as

meditates a letter to his or her local paper, dismount and inflate. If

those firs could recite half the droll _mots_ they have listened to, or

if I dared tell half the delicious points I treasure, it would sound

altogether too amusing among these dry-enough chapters.

Mountaineering in the Sierra Nevada · 第 10 / 22 段