In his survey of global railway history, Blood, Iron, and Gold, Christian Wolmar, lists ice among the many surprising commodities transformed by rail transport:

Another somewhat bizarre example, which illustrates how technologies first require and then outgrow the demand for railways, was ice. Starting in the 1860s, ice, mostly from a particularly suitable pond in New England, was transported in huge quantities to warmer climes on the eastern seaboard of the United States, and later, with the completion of the transcontinental, from even further afield. It was a massive business that at its height provided two-thirds of a ton of ice for every person living in a major U.S. city.

In a footnote he identifies this "particularly suitable pond in New England" as Walden Pond. Is this correct? While (according to Thoreau himself) ice was indeed harvested from Walden Pond, among many others, was it "mostly" harvested from Walden Pond? Doesn't Wolmar mean Fresh Pond, which had both a direct rail connection (to Charleston shipping) and warehouses constructed specially for the the transport of ice, and which is much larger (more than twice the surface area) than Walden?

enter image description here

  • One pond - especially one that's a mere 61 acres - could hardly provide "huge quantities" of ice. – jamesqf Feb 19 at 17:19
  • Out of curiosity, does the Wolmar footnote or text give any exact figures on the quantity of ice being discussed in his 'at its height' example? – justCal Feb 19 at 20:46
  • @justCal No the footnote, at "particularly suitable pond" just says, "Walden Pond, Henry David Thoreau’s beloved home". – orome Feb 20 at 14:13

...was Walden Pond ever used for large scale ice harvesting involving rail transport?

It seems we can rely on Henry David Thoreau's account to verify this. Thoreau mentions your railroad (emphasis mine):

I have thought that Walden Pond would be a good place for business, not solely on account of the railroad and the ice trade; it offers advantages which it may not be good policy to divulge; it is a good port and a good foundation.

again here:

The Fitchburg Railroad touches the pond about a hundred rods south of where I dwell. I usually go to the village along its causeway, and am, as it were, related to society by this link. The men on the freight trains, who go over the whole length of the road, bow to me as to an old acquaintance, they pass me so often, and apparently they take me for an employee; and so I am. I too would fain be a track-repairer somewhere in the orbit of the earth.

Note the Fitchburg Railroad is the exact same railroad mentioned in the OPs link concerning Fresh Pond. Some details concerning the production force and figures of the ice trade:

To speak literally, a hundred Irishmen, with Yankee overseers, came from Cambridge every day to get out the ice. They divided it into cakes by methods too well known to require description, and these, being sledded to the shore, were rapidly hauled off on to an ice platform, and raised by grappling irons and block and tackle, worked by horses, on to a stack, as surely as so many barrels of flour, and there placed evenly side by side, and row upon row, as if they formed the solid base of an obelisk designed to pierce the clouds. They told me that in a good day they could get out a thousand tons, which was the yield of about one acre.

A thousand tons per day would fill 30 of the above pictured boxcars. They gave estimates on transport loss:

They calculated that not twenty-five per cent of this would reach its destination, and that two or three per cent would be wasted in the cars. However, a still greater part of this heap had a different destiny from what was intended; for, either because the ice was found not to keep so well as was expected, containing more air than usual, or for some other reason, it never got to market. This heap, made in the winter of ’46–7 and estimated to contain ten thousand tons, was finally covered with hay and boards; and though it was unroofed the following July, and a part of it carried off, the rest remaining exposed to the sun, it stood over that summer and the next winter, and was not quite melted till September 1848. Thus the pond recovered the greater part.

So 10,000 Tons of ice were left stored on the pond, and took two years to melt. So yes there was a railroad and large scale ice extraction at Walden Pond.

Was Walden pond or Fresh pond the primary source?

That probably will vary year by year. It would appear that many different ponds were used. From an article at cambridgehistory.org

Beginning in 1805, Tudor harvested ice from across Massachusetts at places including Haggett's Pond in Andover, Spy Pond in Arlington, Sandy Pond in Ayer, Fresh Pond in Cambridge, Walden Pond in Concord, Suntaug Lake in Lynnfield, Spot Pond and Doleful Pond in Stoneham, Lake Quannapowitt in Wakefield, Horn Pond in Woburn, and Wenham Lake in Wenham.

A different source, an 1888 publication of the US Census Office gives us some details concerning the Ice business around Boston in 1888, which certainly indicates Fresh Pond as a major producer at that time, and doesn't even mention Walden Pond by name: enter image description here

I found another publication, Report of the Secretary of Agriculture, by the US Dept. of Agriculture gives us some production numbers for the year 1864. enter image description here

This fits the questions 1860s timeframe, and again shows Fresh pond as the top listed producer for the area, and once more no mention of Walden Pond.

Still just snapshots of information(1864 and 1888), but my inclination is that, Fresh Pond would appear to consistently be the top producer of Ice for this region and timeframe. The distribution of the ice collection across so many ponds would also seem to dispute the contention that the ice could have come 'mostly' from any 'particularly suitable pond'. (The top producer only accounting for about 30% of the production listed for 1864.)

  • Sorry I made a hack of the focus of the question (edited): the focus is on Wolmar's clam about "mostly" applied to Walden. Kettle lakes all over New England provided ice, but Fresh Pond had (to my knowledge) the best facilities (storage and special rail connection) and in any case is much larger than Walden. – orome Feb 19 at 19:57
  • "Fresh Pond as a major producer at that time, and doesn't even mention Walden Pond by name" makes sense from everything I've come across or heard. I wonder why Wolmar emphasis Walden over Fresh Pond. – orome Feb 19 at 23:34
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    Its hard to say, as production was definitely variable by year, and this last data is 34 years after the Walden info. I found sources discussing output in the millions of tons in the Hudson River valley a few years later yet... – justCal Feb 19 at 23:43
  • So: bottom line w.r.t. the OP is that ice never came "mostly" from Walden? – orome Feb 20 at 14:08
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    I spent a couple more hours on this last night, but could not find any evidence which was conclusive in either way. Fresh Pond came up on a couple of other searches, one indicating a work force of 300 men, which would seem to indicate 3 times the production capability mentioned in the Thoreau's account of 100 men. I'll look at updating that into the answer. – justCal Feb 20 at 15:18

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