Since slavery had been abolished in Canada in 1833, but was still legal in southern states of the U. S., a Lake Erie crossing was sometimes required for fugitive slaves seeking freedom:

Since the flow is a direct function of the Lake Erie water elevation, it typically peaks in late spring or early summer.

Since no other section of the Cross Cut Canal was contemplated nor built, it is considered historically to be part of the Wabash and Erie Canal.

Since the study of 1940 US presidential election in Erie County, Ohio by Paul Lazarsfeld and his colleagues, little evidence of mass communication effects has been found over the next twenty years.

Since Mandalay Sports Entertainment purchased the Erie SeaWolves in 2003, the team has been the object of several relocation rumors.

Since its creation as a town in the 18th century, the Politics of Dayton, Ohio have adapted to and reflected the changing needs of the community, from the Miami and Erie Canal through the World War II " Dayton Project " to the present day.

Since then, UPMC's growth has continued, including a merger with Mercy Hospital in 2008, the opening of new Children's Hospital facilities in 2009, the integration of Hamot Medical Center in Erie, Pennsylvania in 2011, and the continued expansion of overseas operations and for-profit business ventures.

Since Mountbatten had no sons, when he was created Viscount Mountbatten of Burma of Romsey in the County of Southampton on 27 August 1946 and then Earl Mountbatten of Burma and Baron Romsey in the County of Southampton on 28 October 1947, the Letters Patent were drafted such that in the event he left no sons or issue in the male line, the titles could pass to his daughters, in order of seniority of birth, and to their heirs male respectively.

Since 1995, Jan Mayen has been administered by the County Governor ( fylkesmann ) of the northern Norwegian county of Nordland to which it is closest.

Since leaving office Major has maintained a low profile, indulging his love of cricket as president of Surrey County Cricket Club until 2002 ( and Honorary Life Vice-President since 2002 ) and commentating on political developments in the manner of a wise elder statesman.

Since the approval of Los Angeles County Propositions A and AA, Pierce College has been undergoing large-scale renovation.

Since 1896, Brooklyn has had the same boundaries as Kings County, which is now the most populous county in New York State and the second-most densely populated county in the United States, after New York County ( Manhattan ).

Since 2005, Howard County Library has consistently been ranked among the top 5 libraries in its size category by HAPLR ( Hennen's American Public Library Ratings ).

Since California considers “ all persons concerned in the commission of a crime, whether they directly commit the act constituting the offense … principals in any crime so committed ,” San Marin County Superior Judge Peter Allen Smith charged Davis with “ aggravated kidnapping and first degree murder in the death of Judge Harold Haley ” and issued a warrant for her arrest.

Since that decision, annexation plans have been halted, and Washington County started urban planning to provide city-level services to the unincorporated urban areas in the county.

Since 1996 Gower has been part of the City and County of Swansea.

Since the construction of the Adirondack Northway in the 1960s Saratoga County has consistently been the fastest growing portion of the Capital District and indeed, of upstate New York.

Since the end of the 12th century, Zweibrücken was the seat of the County of Zweibrücken, the counts being descended from Henry I ( Heinrich I.

Since the 1830s, most descendants of the Mahican are located in Shawano County, Wisconsin, where they formed the federally recognized Stockbridge-Munsee Community with Lenape people and have a reservation.

Since the late 20th century, Osceola County has experienced a significant influx of immigrants from Puerto Rico, and in the 2000 U. S. Census Puerto Rican was the largest self-reported ancestry group.

Since highway 84 is a split route, the southern segment of state route 84 runs from Livermore in Alameda County and eventually ends at California Highway 1 in San Gregorio, a coastal community located in San Mateo County.

Since the 1960s, artist William Christenberry, born in Tuscaloosa, has been photographing various structures in Hale County as part of his multi-media artistic investigations.

Since the American Civil War, whites controlled economic and political power in Hale County.

Since then Vans Skatepark in Orange County rebuilt a replica of the original Combi Pool, its been host to some of the greatest contest of the past decade. The Pipeline Skatepark also influenced the rebuild of a 20 foot full pipe in Upland's Memorial Park, It was designed by none other than Pipeline's local and most respected Steve Alba and constructed by California Skatepark and was dedicated on October 12 2002 by Mayor John Pomierski.

Since there is no county government or county seat in any of Connecticut's counties, Fairfield County, is only a geographical point of reference.

Since then, the boundaries of Weston County have been stable.

Since 1863, Webster County has voted Democratic in every presidential election with the exception of 1972.

Since 1924, Waynesboro has made numerous territorial acquisitions from areas of Augusta County through annexation and officially became an independent city in 1948.

Since 1952, Hampton has included the former Elizabeth City County and the incorporated town of Phoebus, consolidating by mutual agreement.

Since more is known about Quiney than about any other acquaintance of Shakespeare in Stratford, his career may be followed to its sudden end in 1602.

Since the obvious is not always true, the Republican National Committee wisely analyzed its defeat of last autumn and finds that it occurred, as suspected, in the larger cities.

Since faculty see themselves as self-employed professionals rather than as employees, enthusiasm in a common enterprise is proportionate to the sense of ownership they have in it by virtue of sharing in the decisions that govern its course.

Since C is rational, this correspondence has K coincidences, each of which implies a line of the pencil which meets its image.

Since a ruled surface of order N with N concurrent generators is necessarily a cone, it follows finally that every line through a point, P, of **zg meets its image at P, as asserted.

Since the mid 1950s, when urethane foam first made its appearance in the American market, growth has been little short of fantastic.

Since the land he desired lay within the great northern empire of the Hudson's Bay Company, he purchased great blocks of the Comany's stock with the view to controlling its policies.

Since the constitution forbids introduction of a tax bill at a fiscal session, the administration will either have to cut down expenses or inflate its estimates of anticipated revenues.

Since the railroad cannot reduce the salary of individual union members under contract, it must accomplish its payroll reduction by placing some of the men on furlough, a B. & O. spokesman said.

Since then, it has focused on improving relationships with Western countries, cultivating links with other Portuguese-speaking countries, and asserting its own national interests in Central Africa through military and diplomatic intervention.

Since the foundation of the Republic of Turkey in 1923, Anatolia has become Turkey, its inhabitants being mainly Turks and Kurds ( see demographics of Turkey and history of Turkey ).

Since then, Alumni has played at the highest level of Argentinian rugby and its rivalry with Belgrano Athletic Club is one of the fiercest local derbies in Buenos Aires.

Since its independence, Armenia has maintained a policy of complementarism by trying to have friendly relations both with Iran, Russia, and the West, including the United States and Europe.

Since this picture was first developed by Ernst Stueckelberg, and acquired its modern form in Feynman's work, it is called the Feynman-Stueckelberg interpretation of antiparticles to honor both scientists.

Since its immense popularity and iconic nature, " grace " and the meaning behind the words of " Amazing Grace " have become as individual as the singer or listener.

Since the activity of antibacterials depends frequently on its concentration, in vitro characterization of antibacterial activity commonly includes the determination of the minimum inhibitory concentration and minimum bactericidal concentration of an antibacterial.

Since 1975, Niger has celebrated Arbor Day as part of its Independence Day: 3 August.

Since its disappearance from the Biblical narrative, there have been a number of claims of having discovered or of having possession of the Ark, and several possible places have been suggested for its location.

Since less of its surface area is exposed to the arctic cold, less heat escapes the body.

Since its inception in the early 1990s, the group has carried out bombings, kidnappings, assassinations and extortion in what they describe as their fight for an independent Islamic province in the Philippines.

Since 1972, the Roman Catholic Church uses the name " Anointing of the Sick " both in the English translations issued by the Holy See of its official documents in Latin and in the English official documents of Episcopal conferences.

Since 1998, Harvard University wraps some of the valuable statues on its campus, such as this " Harvard Bixi | Chinese stele ", with waterproof covers every winter, in order to protect them from erosion caused by acid rain.

Since the mid-1990s, AutoCAD supported custom objects through its C ++ Application Programming Interface ( API ).

Since 1998 it has been available in an electronic edition, alongside its regular print edition.