The Ancient Bronze Pipes Found in New Almaden's Quicksilver Mine in 1894 — The Ohlone Knew Who Used

In March 1894, eleven hundred feet under Mine Hill at the New Almaden quicksilver mine in California, a miner's bar broke through the end of a drift into a cave no lamp could find the roof of. Against its far wall stood twenty one bronze pipes in a single row, the tallest thirty feet high, five times the height of a man, every one of them sunk into one timber forty feet long that had not rotted. The night shift boss counted them, the captain measured them, and for the next eleven years the company kept them behind a plank with a chalk mark on it. Seven months later, at the mine office on the same hill, an Ohlone woodcutter named Felipe, who had never been down the shaft and did not ask to see the chamber, told the captain what his grandmother's people had always known: that the hill cries before the ground turns over, a short cry for a small turning, a long cry for a long one. A one page letter. The pipes themselves. An assay of eighty eight parts copper. A red cloth ledger of forty one nights. An eight word telegram. A professor's three pages. Six records across eighteen years that were only ever bound together by accident. Read in the order they were written, what were the men on the eleven hundred counting toward? File 087. The places and the period are real. The discovery, the documents and the people who recorded them are fiction. Historical figures appear in dramatized roles. The images in this film are illustrations made for it; the relief maps are credited below. This documentary examines historical records, archaeological research, and Indigenous oral traditions. It presents documented findings alongside long-standing questions that remain open. Where accounts differ, both are presented. Nothing here is offered as a settled conclusion. CHAPTERS 0:00 A Note From Something Very Large 3:04 Record 1 — Tregoning's Single Page 4:00 The Red Rock of Mine Hill 7:00 Record 2 — Pascoe's Account in Pencil 8:50 Record 3 — Two Night Shifts of Measurements 12:16 Record 4 — Eighty Eight Parts Copper 13:50 The Pipes Sound Alone 16:52 Record 5 — The Pipe Book 25:04 Record 6 — Eight Words at 11:40 31:33 The Geologist's Answer 37:26 Felipe's Page 42:41 What Is Under Mine Hill Now SOURCES & ARCHIVAL CREDITS Real sources shown on screen: New Almaden — Wikipedia (CC BY-SA 4.0) Almaden Quicksilver County Park — Wikipedia (CC BY-SA 4.0) Ohlone — Wikipedia (CC BY-SA 4.0) Muwekma Ohlone Tribe — Wikipedia (CC BY-SA 4.0) Amah Mutsun Tribal Band — Wikipedia (CC BY-SA 4.0) 1906 San Francisco earthquake — Wikipedia (CC BY-SA 4.0) Lick Observatory — Wikipedia (CC BY-SA 4.0) John Casper Branner — Wikipedia (CC BY-SA 4.0) Andrew Lawson (geologist) — Wikipedia (CC BY-SA 4.0) Mount Umunhum — Wikipedia (CC BY-SA 4.0) Further reading: Andrew C. Lawson et al., The California Earthquake of April 18, 1906: Report of the State Earthquake Investigation Commission (Carnegie Institution of Washington, 1908) Relief maps: World Shaded Relief — Esri (Esri, USGS, NOAA) Which of the twenty one pipes would you have stood in front of on the night of the seventeenth of April? If you grew up near New Almaden or anywhere in the Santa Clara Valley, tell us what you heard.