Correction Lyrics Cape Cod: Chapter 8 (The Highland Light) by Henry David Thoreau

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This light-house, known to mariners as the Cape Cod or Highland Light, is one of our “primary sea-coast lights,” and is usually the first seen by those approaching the entrance of Massachusetts Bay from Europe. It is forty-three miles from Cape Ann Light, and forty-one from Boston Light. It stands about twenty rods from the edge of the bank, which is here formed of clay. I borrowed the plane and square, level and dividers, of a carpenter who was shingling a barn near by, and using one of those shingles made of a mast, contrived a rude sort of quadrant, with pins for sights and pivots, and got the angle of elevation of the Bank opposite the light-house, and with a couple of cod-lines the length of its slope, and so measured its height on the shingle. It rises one hundred and ten feet above its immediate base, or about one hundred and twenty-three feet above mean low water. Graham, who has carefully surveyed the extremity of the Cape, makes it one hundred and thirty feet. The mixed sand and clay lay at an angle of forty degrees with the horizon, where I measured it, but the clay is generally much steeper. No cow nor hen ever gets down it. Half a mile farther south the bank is fifteen or twenty-five feet higher, and that appeared to be the highest land in North Truro. Even this vast clay bank is fast wearing away. Small streams of water trickling down it at intervals of two or three rods, have left the intermediate clay in the form of steep Gothic roofs fifty feet high or more, the ridges as sharp and rugged-looking as rocks; and in one place the bank is curiously eaten out in the form of a large semicircular crater.

According to the light-house keeper, the Cape is wasting here on both sides, though most on the eastern. In some places it had lost many rods within the last year, and, erelong, the light-house must be moved. We calculated, from his data, how soon the Cape would be quite worn away at this point, “for,” said he, “I can remember sixty years back.” We were even more surprised at this last announcement,—that is, at the slow waste of life and energy in our informant, for we had taken him to be not more than forty,—than at the rapid wasting of the Cape, and we thought that he stood a fair chance to outlive the former.

Between this October and June of the next year I found that the bank had lost about forty feet in one place, opposite the light-house, and it was cracked more than forty feet farther from the edge at the last date, the shore being strewn with the recent rubbish. But I judged that generally it was not wearing away here at the rate of more than six feet annually. Any conclusions drawn from the observations of a few years or one generation only are likely to prove false, and the Cape may balk expectation by its durability. In some places even a wrecker’s foot-path down the bank lasts several years. One old inhabitant told us that when the light-house was built, in 1798, it was calculated that it would stand forty-five years, allowing the bank to waste one length of fence each year, “but,” said he, “there it is” (or rather another near the same site, about twenty rods from the edge of the bank).

The sea is not gaining on the Cape everywhere, for one man told me of a vessel wrecked long ago on the north of Provincetown whose “bones” (this was his word) are still visible many rods within the present line of the beach, half buried in sand. Perchance they lie alongside the timbers of a whale. The general statement of the inhabitants is that the Cape is wasting on both sides, but extending itself on particular points on the south and west, as at Chatham and Monomoy Beaches, and at Billingsgate, Long, and Race Points. James Freeman stated in his day that above three miles had been added to Monomoy Beach during the previous fifty years, and it is said to be still extending as fast as ever. A writer in the Massachusetts Magazine, in the last century, tells us that “when the English first settled upon the Cape, there was an island off Chatham, at three leagues’ distance, called Webbs’ Island, containing twenty acres, covered with red-cedar or savin. The inhabitants of Nantucket used to carry wood from it”; but he adds that in his day a large rock alone marked the spot, and the water was six fathoms deep there. The entrance to Nauset Harbor, which was once in Eastham, has now travelled south into Orleans. The islands in Wellfleet Harbor once formed a continuous beach, though now small vessels pass between them. And so of many other parts of this coast.

Perhaps what the Ocean takes from one part of the Cape it gives to another,—robs Peter to pay Paul. On the eastern side the sea appears to be everywhere encroaching on the land. Not only the land is undermined, and its ruins carried off by currents, but the sand is blown from the beach directly up the steep bank where it is one hundred and fifty feet high, and covers the original surface there many feet deep. If you sit on the edge you will have ocular demonstration of this by soon getting your eyes full. Thus the bank preserves its height as fast as it is worn away. This sand is steadily travelling westward at a rapid rate, “more than a hundred yards,” says one writer, within the memory of inhabitants now living; so that in some places peat-meadows are buried deep under the sand, and the peat is cut through it; and in one place a large peat-meadow has made its appearance on the shore in the bank covered many feet deep, and peat has been cut there. This accounts for that great pebble of peat which we saw in the surf. The old oysterman had told us that many years ago he lost a “crittur” by her being mired in a swamp near the Atlantic side east of his house, and twenty years ago he lost the swamp itself entirely, but has since seen signs of it appearing on the beach. He also said that he had seen cedar stumps “as big as cart-wheels”(!) on the bottom of the Bay, three miles off Billingsate Point, when leaning over the side of his boat in pleasant weather, and that that was dry land not long ago. Another told us that a log canoe known to have been buried many years before on the Bay side at East Harbor in Truro, where the Cape is extremely narrow, appeared at length on the Atlantic side, the Cape having rolled over it, and an old woman said,—“Now, you see, it is true what I told you, that the Cape is moving.”

The bars along the coast shift with every storm, and in many places there is occasionally none at all. We ourselves observed the effect of a single storm with a high tide in the night, in July, 1855. It moved the sand on the beach opposite the light-house to the depth of six feet, and three rods in width as far as we could see north and south, and carried it bodily off no one knows exactly where, laying bare in one place a large rock five feet high which was invisible before, and narrowing the beach to that extent. There is usually, as I have said, no bathing on the back-side of the Cape, on account of the undertow, but when we were there last, the sea had, three months before, cast up a bar near this lighthouse, two miles long and ten rods wide, over which the tide did not flow, leaving a narrow cove, then a quarter of a mile long, between it and the shore, which afforded excellent bathing. This cove had from time to time been closed up as the bar travelled northward, in one instance imprisoning four or five hundred whiting and cod, which died there, and the water as often turned fresh, and finally gave place to sand. This bar, the inhabitants assured us, might be wholly removed, and the water six feet deep there in two or three days.

The light-house keeper said that when the wind blowed strong on to the shore, the waves ate fast into the bank, but when it blowed off they took no sand away; for in the former case the wind heaped up the surface of the water next to the beach, and to preserve its equilibrium a strong undertow immediately set back again into the sea which carried with it the sand and whatever else was in the way, and left the beach hard to walk on; but in the latter case the undertow set on and carried the sand with it, so that it was particularly difficult for shipwrecked men to get to land when the wind blowed on to the shore, but easier when it blowed off. This undertow, meeting the next surface wave on the bar which itself has made, forms part of the dam over which the latter breaks, as over an upright wall. The sea thus plays with the land holding a sand-bar in its mouth awhile before it swallows it, as a cat plays with a mouse; but the fatal gripe is sure to come at last. The sea sends its rapacious east wind to rob the land, but before the former has got far with its prey, the land sends its honest west wind to recover some of its own. But, according to Lieutenant Davis, the forms, extent, and distribution of sand-bars and banks are principally determined, not by winds and waves but by tides.

Our host said that you would be surprised if you were on the beach when the wind blew a hurricane directly on to it, to see that none of the drift-wood came ashore, but all was carried directly northward and parallel with the shore as fast as a man can walk, by the inshore current, which sets strongly in that direction at flood tide. The strongest swimmers also are carried along with it, and never gain an inch toward the beach. Even a large rock has been moved half a mile northward along-the beach. He assured us that the sea was never still on the back-side of the Cape, but ran commonly as high as your head, so that a great part of the time you could not launch a boat there, and even in the calmest weather the waves run six or eight feet up the beach, though then you could get off on a plank. Champlain and Pourtrincourt could not land here in 1606, on account of the swell (la houlle), yet the savages came off to them in a canoe. In the Sieur de la Borde’s “Relation des Caraibes,” my edition of which was published at Amsterdam in 1711, at page 530 he says:—

“Couroumon a Caraibe, also a star [i.e. a god], makes the great lames à la mer, and overturns canoes. Lames à la mer are the long vagues which are not broken (entrecoupées), and such as one sees come to land all in one piece, from one end of a beach to another, so that, however little wind there may be, a shallop or a canoe could hardly land (aborder terre) without turning over, or being filled with water.”

But on the Bay side the water even at its edge is often as smooth and still as in a pond. Commonly there are no boats used along this beach. There was a boat belonging to the Highland Light which the next keeper after he had been there a year had not launched, though he said that there was good fishing just off the shore. Generally the Life Boats cannot be used when needed. When the waves run very high it is impossible to get a boat off, however skilfully you steer it, for it will often be completely covered by the curving edge of the approaching breaker as by an arch, and so filled with water, or it will be lifted up by its bows, turned directly over backwards, and all the contents spilled out. A spar thirty feet long is served in the same way.

I heard of a party who went off fishing back of Wellfleet some years ago, in two boats, in calm weather, who, when they had laden their boats with fish, and approached the land again, found such a swell breaking on it, though there was no wind, that they were afraid to enter it. At first they thought to pull for Provincetown, but night was coming on, and that was many miles distant. Their case seemed a desperate one. As often as they approached the shore and saw the terrible breakers that intervened, they were deterred. In short, they were thoroughly frightened. Finally, having thrown their fish overboard, those in one boat chose a favorable opportunity, and succeeded, by skill and good luck, in reaching the land, but they were unwilling to take the responsibility of telling the others when to come in, and as the other helmsman was inexperienced, their boat was swamped at once, yet all managed to save themselves.

Much smaller waves soon make a boat “nail-sick,” as the phrase is. The keeper said that after a long and strong blow there would be three large waves, each successively larger than the last, and then no large ones for some time, and that, when they wished to land in a boat, they came in on the last and largest wave. Sir Thomas Browne (as quoted in Brand’s Popular Antiquities, p. 372), on the subject of the tenth wave being “greater or more dangerous than any other,” after quoting Ovid,—

“Qui venit hic fluctus, fluctus supereminet omnes
Posterior nono est, undecimo que prior,”—

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