Once room and pillar mines have been developed to a stopping point ( limited by geology, ventilation, or economics ), a supplementary version of room and pillar mining, termed second mining or retreat mining, is commonly started.

Once the house became the official residence of the governor general, it was termed formally as Government House, but, as Rideau Hall stuck as the informal name, the existence of two names for the building led to some issue: in 1889 the viceregal consort, the Lady Stanley of Preston, was rebuked by Queen Victoria for calling the house Rideau Hall ; it was to be Government House, as in all other Empire capitals.

Once the ceasefire request was accepted, the war between the Allies and the Vichy French came to an end, after two and a half years of what was termed “ fratricidal ” fighting.

Once status of the species is established and termed stable, the population can then be put on an extended monitoring plan where the species is only sampled on a 5 year basis.

Once in contact with decomposing solid waste, the percolating water becomes contaminated and if it then flows out of the waste material it is termed leachate.

Once approved, these units are termed Certified Emission Reductions, or CERs.

Once Christianity was established, the Catholic Church became the focal point for village activities and Guam became a regular port-of-call for the Spanish galleons that crossed the Pacific Ocean from Mexico to the Philippines.

Once in an area of great wealth, the demise of the mediaeval wool trade was indirectly the saving of the village, ( as we know it today ), since the locals were unable to afford the expense of upgrading their houses with the latest architectural fashions.

Once clear of the tunnel, the canal passes Blisworth village and reaches Gayton Junction where the Northampton Arm branches off to the east.

Once over 500 m long, the Roman Kemer Bridge crossed the upper reaches of the river near the present-day village of Kemer.

Once a major center for wooden boat building, the village remains a commercial and recreational center.

Once a small village hamlet in the parish of Edmonton, Winchmore Hill now borders with Palmers Green, Southgate, Edmonton, and Grange Park.

Once over 2, 000 residents, the village now has approximately 300 citizens.

Once the home of a thriving barrel-making industry which depleted the nearby virgin forests Mill Shoals had primarily been an agriculture village until 1939 when oil was discovered in the area.

Once Brooklyn Township, the township split in 1860 with the southeastern village incorporating into Brooklyn Center and Crystal.

Once named " Batavia ," the village received its current name because it was the midway point between Painesville and Warren.

Once occupied by a Monongahela village, the site is listed on the National Register of Historic Places.

Once located at the juncture of Clinton Road and Vanderbilt Court, it was moved in 1989 to its current location in the heart of the village at 230 Seventh Street.

Once again, Marshal Ney became distracted and decided to seize the village of Preititz, and thus lost sight of the strategic importance of cutting off the allies.

Once they reached the vicinity of the village church, the Saxons were steadily met by the third battalion of infantry regiment 17 and the attack at once broke down, with the attackers forced to take shelter in the buildings nearby.

Once a year a dzong or important village may hold a religious festival, or Tsechu.

Once, at a village festival, he astonished everyone by playing the viol beautifully.

Once a municipal village, Thornhill is now a community and postal designation geographically split into two municipalities along Yonge Street, the city of Vaughan to the west and the city of Markham to the east.

Once known as the largest village in England, Kempston is now a town with its own town council.

Once the railway had put the village on the map, the next step was to improve road access, and more importantly, to alleviate the adverse effects of the annual floods which frequently resulted in the village being cut off from the rest of the county.

Once the order was given, the commander of one of Shadmi's battalions, Major Shmuel Malinki, who was in charge of the Border Guard unit at the village of Kafr Qasim, asked Shadmi on how to react to those villagers who were unaware of the curfew.

Once again Askern changed direction and became a thriving pit village, which welcomed people from all over the country to work and live in its area, giving the town a mixed background.

Once the insurgency began, the schools were all that remained, indicating that the Maoists had seized control of the village.

Once the manorial estate of the village, it is now owned by the UK Foreign and Commonwealth Office, and home to Her Majesty's Government Communications Centre.

Once the Loa have arrived, fed, been served, and possibly given help or advice, they leave the peristyle.

Once noted as the " organizer of victory " by Winston Churchill for his leadership of the Allied victory in World War II, Marshall served as the United States Army Chief of Staff during the war and as the chief military adviser to President Franklin D. Roosevelt.

Once Republicans regained control of the Senate, Glenn also served as the ranking minority member on a special Senate investigative committee chaired by Tennessee senator Fred Dalton Thompson that looked into illegal foreign donations by China to U. S. political campaigns for the 1996 election.

Once the case is filed and served the parties must request a Preliminary Conference within ninety days if the case is to be treated as a contested divorce.

Once released, Patel served as interim Congress president, but was re-arrested while leading a procession in Mumbai.

Once designed into such products as the DECtape controller and the VT100 video terminal in the late 1970s, it served for new production throughout the life span of those products ( generally longer than the product life of desktop computers ).

Once served by the Louisville & Nashville Railroad, which purchased the Yellow River Railroad in 1906, the line was abandoned and lifted in the 1980s.

Once the defendants are served with the summons and complaint, they are subject to a time limit to file an answer stating their defenses to the plaintiff's claims, including any challenges to the court's jurisdiction, and any counterclaims they wish to assert against the plaintiff.

Once Mariners first-choice goalkeeper Danny Vukovic had served his suspension, Bosnich did not play again for the Mariners.

Once served, the other parent must attend a mandatory court hearing to determine if they are responsible for child support payments.

Once General Tire sold the network in 1957, Mutual's ownership was largely disconnected from the stations it served, leading to a more conventional, top-down model of program production and distribution.

Once again Bob Schieffer served as a brief replacement.

Once again she was arrested, served some time in prison and was escorted from the state in the months leading up to the Ludlow Massacre.

Once, when Eckstine came across a disheveled Davis in the depths of his heroin excess, his remark " Looking sharp, Miles " served as a wake-up call for Davis, who promptly returned to his father's farm in the winter of 1953 and finally kicked the habit.

Once a major port, freight transport has declined, but the port is still served by regular cross-Channel passenger ferries with Brittany Ferries offering a passenger and freight service to Cherbourg as well as a freight only route to Santander twice a week on the MV Cotentin.

Once recovered, Rochester returned to Hillsborough and was elected to the North Carolina General Assembly of 1777, where he served as county clerk.

Once he demanded that he would eat a Christmas dinner only if it would be served from new abbey kitchens and told his workmen to hurry.

Once Italy entered the war in 1915, Balbo joined the Italian Royal Army ( Regio Esercito ) as an officer candidate and served in the Alpini ( Mountain ) Battalion " Val Fella " before volunteering for flying training on October 16th 1917.

Once described as a ‘ mini Arts Lab ’ it served as stage, cinema and gallery.

Once elected to Parliament, Gordon served as Parliamentary Private Secretary to Lord Irvine of Lairg in the Lord Chancellor's Department ( 2001-3 ), Tessa Jowell as Secretary of State for Culture, Media and Sport ( 2003-5 ) and John Denham as Secretary of State for Communities and Local Government and shadow communities secretary ( 2009 -).

Once on the road, they served as roaming advertisements for Habitat and gave nightly presentations explaining Habitat's mission to their hosts, usually church congregations.

Once the ball is served, he or she must hit the ball either directly (" on the fly ") or after the first bounce so that it bounces off the front wall.

Once the cheese melts, other ingredients ; such as shredded meat, peppers, onions or guacamole may be added, and it is then folded and served.

Once the area became too large to be served by one area code, a local resident discovered that area code 321 was not assigned to any other territory ( though it was being considered for the suburban Chicago area ).