The Book of the National Parks Part 31
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To get the Petrified Forest into full prospective it is well to recall that these shales and sands were laid in water, above whose surface the land raised many times, only to sink again and acc.u.mulate new strata.
The plateau now has fifty-seven hundred feet of alt.i.tude.
"When it is known," writes Doctor Knowlton, "that since the close of Tria.s.sic times probably more than fifty thousand feet of sediments have been deposited, it is seen that the age of the Tria.s.sic forests of Arizona can only be reckoned in millions of years--just how many it would be mere speculation to attempt to estimate. It is certain, also, that at one time the strata containing these petrified logs were themselves buried beneath thousands of feet of strata of later ages, which have in places been worn away sufficiently to expose the tree-bearing beds. Undoubtedly other forests as great or greater than those now exposed lie buried beneath the later formations."
A very interesting small forest, not in the reservation, lies nine miles north of Adamana.
PAPAGO SAGUARO NATIONAL MONUMENT
The popular idea of a desert of dry drifting sand unrelieved except at occasional oases by evidences of life was born of our early geographies, which pictured the Sahara as the desert type. Far different indeed is our American desert, most of which has a few inches of rainfall in the early spring and grows a peculiar flora of remarkable individuality and beauty. The creosote bush seen from the car-windows shelters a few gra.s.ses which brown and die by summer, but help to color the landscape the year around. Many low flowering plants gladden the desert springtime, and in the far south and particularly in the far southwest are several varieties of cactus which attain great size. The frequenter of the desert soon correlates its flora with its other scenic elements and finds all rich and beautiful.
In southwestern Arizona and along the southern border of California this strange flora finds its fullest expression. Here one enters a new fairy-land, a region of stinging bushes and upstanding monsters lifting ungainly arms to heaven. In 1914, to conserve one of the many rich tracts of desert flora, President Wilson created the Papago Saguaro National Monument a few miles east of Phoenix, Arizona. Its two thousand and fifty acres include fine examples of innumerable desert species in fullest development.
Among these the cholla is at once one of the most fascinating and the most exasperating. It belongs to the p.r.i.c.kly pear family, but there resemblance ceases. It is a stocky bush two or three feet high covered with b.a.l.l.s of flattened powerful sharp-pointed needles which will penetrate even a heavy shoe. In November these fall, strewing the ground with spiny indestructible weapons. There are many varieties of chollas and all are decorative. The tree cholla grows from seven to ten feet in height, a splendid showy feature of the desert slopes, and the home, fortress, and sure defense for all the birds who can find nest-room behind its bristling breastwork.
The Cereus thurberi, the pipe-organ, or candelabrum cactus, as it is variously called, grows in thick straight columns often clumped closely together, a picturesque and beautiful creation. Groups range from a few inches to many feet in height. One clump of twenty-two stems has been reported, the largest stem of which was twenty feet high and twenty-two inches in diameter.
Another of picturesque appeal is the bisnaga or barrel cactus, of which there are many species of many sizes. Like all cacti, it absorbs water during the brief wet season and stores it for future use. A specimen the size of a flour-barrel can be made to yield a couple of gallons of sweetish but refres.h.i.+ng water, whereby many a life has been saved in the sandy wastes.
But the desert's chief exhibit is the giant saguaro, the Cereus giganteus, from which the reservation got its name. This stately cactus rises in a splendid green column, accordion-plaited and decorated with star-like cl.u.s.ters of spines upon the edges of the plaits. The larger specimens grow as high as sixty or seventy feet and throw out at intervals powerful branches which bend sharply upward; sometimes there are as many as eight or nine of these gigantic branches.
No towering fir or spreading oak carries a more princely air. A forest of giant saguaro rising from a painted desert far above the tangle of creosote-bush, mesquite, cholla, bisnaga, and scores of other strange growths of a land of strange attractions is a spectacle to stir the blood and to remember for a lifetime.
COLORADO NATIONAL MONUMENT
On the desert border of far-western Colorado near Grand Junction is a region of red sandstone which the erosion of the ages has carved into innumerable strange and grotesque shapes. Once a great plain, then a group of mesas, now it has become a city of grotesque monuments. Those who have seen the Garden of the G.o.ds near Colorado Springs can imagine it multiplied many times in size, grotesqueness, complexity, and area; such a vision will approximate the Colorado National Monument. The two regions have other relations in common, for as the Garden of the G.o.ds flanks the Rockies' eastern slopes and looks eastward to the great plains, so does the Colorado National Monument flank the Rockies'
western desert. Both are the disclosure by erosion of similar strata of red sandstone which may have been more or less continuous before the great Rockies wrinkled, lifted, and burst upward between them.
The rock monuments of this group are extremely highly colored. They rise in several neighboring canyons and some of them are of great height and fantastic design. One is a nearly circular column with a diameter of a hundred feet at the base and a height of more than four hundred feet.
Caves add to the attractions, and there are many springs among the tangled growths of the canyon floors. There are cedars and pinyon trees.
The region abounds in mule-deer and other wild animals.
CAPULIN MOUNTAIN NATIONAL MONUMENT
After the sea-bottom which is now our desert southwest rose for the last time and became the lofty plateau of to-day, many were the changes by which its surface became modified. Chief of these was the erosion which has washed its levels thousands of feet below its potential alt.i.tude and carved it so remarkably. But it also became a field of wide-spread volcanic activity, and lavas and obsidians are constantly encountered among its gravels, sands, and shales. Many also are the cones of dead volcanoes.
Capulin Mountain in northeastern New Mexico near the Colorado line is a very ancient volcano which retains its shape in nearly perfect condition. It was made a national monument for scientific reasons, but it also happily rounds out the national parks' exhibit of the influences which created our wonderful southwest. Its crater cone is composed partly of lava flow, partly of fine loose cinder, and partly of cemented volcanic ash. It is nearly a perfect cone.
Capulin rises fifteen hundred feet from the plain to an alt.i.tude of eight thousand feet. Its crater is fifteen hundred feet across and seventy-five feet deep. To complete the volcanic exhibit many blister cones are found around its base. It is easily reached from two railroads or by automobile.
XX
THE MUIR WOODS AND OTHER NATIONAL MONUMENTS
National monuments which commemorate history, conserve forests, and distinguish conspicuous examples of world-making dot other parts of the United States besides the colorful southwest. Their variety is great and the natural beauty of some of them unsurpa.s.sed.
Their number should be much greater. Every history-helping exploration of the early days, from Cortreal's inspection of the upper Atlantic coast in 1501 and Ponce de Leon's exploration of Florida eleven years later, from Cabrillo's skirting of the Pacific coast in 1542 and Vancouver's entrance into Puget Sound in 1792, including every early expedition from north and south into the country now ours and every exploration of the interior by our own people, should be commemorated, not by a slab of bronze or marble, but by a striking and appropriate area set apart as a definite memorial of the history of this nation's early beginnings.
These areas should be appropriately located upon or overlooking some important or characteristic landmark of the explorations or events which they commemorated, and should have scenic importance sufficient to attract visitors and impress upon them the stages of the progress of this land from a condition of wilderness to settlement and civilization.
Nor should it end here. The country is richly endowed, from the Atlantic to the Pacific, with examples of Nature's amazing handicraft in the making of this continent, the whole range of which should be fully expressed in national reservations.
Besides these, examples of our northeastern forests, the pines of the southern Appalachians, the everglades of Florida, the tangled woodlands of the gulf, and other typical forests which perchance may have escaped the desolation of civilization, should be added to the splendid forest reserves of the national parks of the West, first-grown as Nature made them, forever to remain untouched by the axe.
Thus will the national parks system become the real national museum for to-day and forever.
There follows a brief catalogue of the slender and altogether fortuitous beginnings of such an exhibit.
MUIR WOODS NATIONAL MONUMENT
One of the last remaining stands of original redwood forest easily accessible to the visitor is the Muir Woods in California. It occupies a picturesque canyon on the slope of Mount Tamalpais, north of the Golden Gate and opposite San Francisco, from which it is comfortably reached by ferry and railroad. It was rescued from the axe by William Kent of California, who, jointly with Mrs. Kent, gave it to the nation as an exhibit of the splendid forest which once crowded the sh.o.r.es of San Francis...o...b..y. It is named after John Muir, to whom this grove was a favorite retreat for many years.
It exhibits many n.o.ble specimens of the California redwood, Sequoia sempervirens, cousin of the giant sequoia. Some of them attain a height of three hundred feet, with a diameter exceeding eighteen feet. They stand usually in cl.u.s.ters, or family groups, their stems erect as pillars, their crowns joined in a lofty roof, rustling in the Pacific winds, musical with the songs of birds. Not even in the giant sequoia groves of the Sierra have I found any spot more cathedral-like than this. Its floor is brown and sweet-smelling, its aisles outlined by the tread of generations of wors.h.i.+ppers. Its naves, transepts, alcoves, and sanctuaries are still and dim, yet filled mysteriously with light.
The Muir Woods is a grove of n.o.ble redwoods, but it is much more. Apart from its main pa.s.sages, in alcove, gateway, and outlying precinct it is an exhibit of the rich Californian coast forest. The Douglas fir here reaches stately proportions. Many of the western oaks display their manifold picturesqueness. A hundred lesser trees and shrubs add their grace and variety. The forest is typical and complete. Though small in scope it is not a remnant but naturally blends into its surroundings.
The shaded north hill slopes carry the great trees to the ridge line; the southern slope exhibits the struggle for precedence with the mountain shrubs. At the lower end one bursts out into the gra.s.s country and the open hills. Every feature of the loveliest of all forests is at hand: the valley floor with its miniature trout-stream overhung with fragrant azaleas; the brown carpet interwoven with azaleas and violets.
There is the cool decoration of many ferns.
[Ill.u.s.tration: _From a photograph by Tibbitts_
CATHEDRAL ISLE OF THE MUIR WOODS]
The straight-growing redwoods compel a change of habit in the trees that would struggle toward a view of the sky. Mountain-oaks and madrona are straight-trunked and clear of lower branches. There is rivalry of the strong and protection for the weak.
The grove is, in truth, a complete expression in little of Nature's forest plan. The characteristics of the greater redwood forests which require weeks or months to compa.s.s and careful correlation to bring into perspective, here are exhibited within the rambling of a day. The Muir Woods is an ent.i.ty. Its meadow borders, its dark ravines, its valley floor, its slopes and hilltops, all show fullest luxuriance and perfect proportion. The struggle of the greater trees to climb the hills is exemplified as fully as in the great exhibits of the north, which spread over many miles of hill slope; here one may see its range in half an hour.
The coloring, too, is rich. The rusty foliage and bark, the brighter green of the shrubs, the brown carpet, the opal light, stirs the spirit.
The powerful individuality of many of its trees is the source of never-ending pleasure. There is a redwood upon the West Fork which has no living base, but feeds, vampire-like, through another's veins; or, if you prefer the figure of family dependence so strikingly exemplified in these woods, has been rescued from destruction by a brother. The base of this tree has been completely girdled by fire. Impossible to draw subsistence from below, it stands up from a burned, naked, slender foundation. But another tree fell against it twenty-five or thirty feet above the ground, in some far past storm, and lost its top; this tree pours its sap into the veins of the other to support its n.o.ble top. The twin cripples have become a single healthy tree.
One of the most striking exhibits of the Muir Woods is its tangle of California laurel. Even in its deepest recesses, the bays, as they are commonly called, reach great size. They sprawl in all directions, bend at sharp angles, make great loops to enter the soil and root again; sometimes they cross each other and join their trunks; in one instance, at least, a large crownless trunk has bent and entered head first the stem of still a larger tree.
There are greater stands of virgin redwoods in the northern wilderness of California which the ruthless lumberman has not yet reached but is approaching fast; these are inland stands of giants, crowded like battalions. But there is no other Muir Woods, with its miniature perfection.
DEVIL'S POSTPILE NATIONAL MONUMENT
Southeast of craggy Lyell, mountain climax and eastern outpost of the Yosemite National Park, the Muir Trail follows the extravagantly beautiful beginnings of the Middle Fork of the San Joaquin River through a region of myriad waters and snow-flecked mountains. Banner Peak, Ritter Mountain, Thousand Island Lake, Volcanic Ridge, Shadow Lake--national park scenery in its n.o.blest expression, but not yet national park.
A score of miles from Lyell, the trail follows the river into a volcanic bottom from whose forest rises the splendid group of pentagonal basaltic columns which was made a national monument in 1911 under the t.i.tle of the Devil's Postpile. Those who know the famous Giant's Causeway of the Irish coast will know it in kind, but not in beauty.
The enormous uplift which created the Sierra was accompanied on both its slopes by extensive volcanic eruptions, the remains of which are frequently visible to the traveller. The huge basaltic crystals of the Devil's Postpile were a product of this volcanic outpouring; they formed deep within the hot ma.s.ses which poured over the region for miles around. Their upper ends have become exposed by the erosion of the ages by which the cinder soil and softer rock around them have been worn away.
The Book of the National Parks Part 31
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