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About 32 results
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The pits of the stone from the quarry which communicate with the caves of sparrows of Pontoise.
 
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Where the quarrymen hewed stone blocks in the quarry Keppler.
 
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Extraction of the Stone follows the geological slope. At the bottom of the galleries, a flat corridor allows to evacuate materials by truck. On the right, a horizontal corridor connects two superimposed levels.
 
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The cement stone is extracted along the geological layer. It is inclined as the stone quarry is located within an uprising syncline.
 
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Old photograph of the underground quarry of Saint-Paul-Trois-Chateau. The stone blocks are mounted on carriages, ready to be lowered to the bottom of the hill for shipping.
 
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Old photograph of the quarries cable. The stone blocks were shipped down the hill with a kind of funicular.
 
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The sandstone is a soft rock found throughout the Lower Dauphiné, where it is often the only building stone. This underground quarry is one of the major mining sites in the Drôme.Exploitées since ancient times, these quarries supplied the materials to major projects such as the medieval cathedral of Valencia College Saint-Barnard de Romans. Still used for the construction of the Canal de la Bourne in 1877, molasses is used less and less irreversibly from that time, mainly because of competition from cement.
 
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Quarries of Herblay are over 14km wide and some hundreds of meters deep, on hillsides along the Seine.

In 1776, the exploitation of new underground quarries in Paris was forbidden. People had to take the stone elsewhere. It is for this reason that the quarry was known as "Imperial quarry" or "Quarry of the city of Paris". They built many monuments in Paris with this stone because it was high quality (the famous Royal stone).

Among the monuments built, there was The Pantheon of Paris, Department of Marine Place de la Concorde, the Gare de l'Est, the mint as well as many statues at Versailles.

The network's quarries has been excessively exploited in Herblay. The ceiling is fragile and the walls separating the tunnels are very thin. To reinforce the quarry, they have added many pillars and reinforcement structures.

Later, like many underground quarries, they served to mushroom plantation in the 1980s. The workers have dug additional corridors between small quarries networks.

A few years later and they were gradually abandoned. The latest mushroom plantation closed in 1995.

Since 2003, the association "Herblay heritage" has undertaken to make public visits to the part of the "English entry" with the famous double-arched vault and pretty ponds.
 
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The two stone rails were used to move easily wine barrels.
 
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Numerous blocks of stone carved into the underground quarry Keppler.
 
About 32 results
Go to page 1 / 2 / 3 / 4
 
AQUATIC ARCH AXA BATTERY BIG BILLANCOURT BLOCK BOUGIVAL BOULOGNE BRIDGE BRITANNY BUILDING BUNKER BUTTRESS CASTLE CATACOMBS CATHEDRAL CB31 CENTER CHALK CHARTRES CHURCH CIMENTERIE CLINIC CONFLANS CORRIDOR COUTANCES CRANE CRUDE DEFENSE DENFERT DOME DOOR DRAWING ESSERENT ETIENNE FACTORY FACULTY FLYER FLYING FORT FRANCE FRONT GALLERY GLASSROOF GRS GYPSUM HERBLAY HONORINE HOUSE INDUSTRIAL ISLAND JAGUAR LADER LADY LEU LIMESTONE LYON MAGINOT MAHON MAP MARLY MEDICAL MEDIEVAL MERY MEUDON MILITARY MINE MINISTRY MONTALETS MONTESSON MONTROUGE MONUMENT MUSEUM MUSHROOM OCHRE OFFICIAL OISE OPERA ORANGIS ORSAY OSSUARY OUR PALACE PALAISEAU PANORAMICAL PAPERMAKING PARIS PAUL PENITENTIARY PILLAR POINT POND PONTOISE PORT PROVENCE QUARRY RAIL RAILING RENAULT RIS ROCHEREAU ROOFTOPS ROOM ROUDOUDOU SAINT SCHOOL SEGUIN SEINE SITE SOUTH STAIRS STATION STATUE STORE SWIMMING TECHNICAL THEATER TOWER TRIEL TROCADERO TUNNEL ULIS UNDERGROUND UNIVERSITY VARIOUS VAUX WAGON WALL WASTELAND WATER WELL