Question: In what year did the railroad that built Macomb station merge into another company?

Context paragraphs:
Lamoine Hotel: The Lamoine Hotel is a historic hotel located at 201 North Randolph Street in Macomb, Illinois.  The hotel was built in 1926-27 to be the city's first large modern hotel, a necessity for a city with a busy railroad station and a state university.  Architects F.E. Berger and R.L. Kelley of Champaign designed the Classical Revival building; it is the tallest building in downtown Macomb and the most prominent Classical Revival building in the city.  In addition to hosting visitors to Macomb, the hotel housed several local businesses and hosted community meetings and the Macomb Chamber of Commerce.  The hotel was the city's preferred hotel and community meeting place until the 1950s, when the automobile's rise took away the railroad traffic which gave the hotel much of its business.  The hotel became an apartment hotel and ultimately closed for good in the following decades; the Macomb Journal later moved into the building's ground floor.

Macomb station: Macomb is an Amtrak intercity train station in Macomb, Illinois, United States.  The station is a brick structure constructed around 1913 by the Chicago, Burlington and Quincy Railroad as designed by the railroad's architect Walter Theodore Krausch.

Duliajan: Duliajan is an industrial town located in Dibrugarh District in the upper north-east corner of India.  The town is about 45 km east of Dibrugarh City.  It is particularly known for its oil related industry, Oil India Limited, one of the country's largest oil and gas companies is headquartered in Duliajan and in Duliajan there was also other central government owned companies like B.C.P.L company of gas cracker & polymer, N.E.P.C.O is another company which produces electricity, B.F.C.L. is another company of gas production and modification, and the Shivani company which is India's largest private company for drilling and Assam Gas Company Limited, which carries out business related to natural gas in India, owned by the Government of Assam.

Atlasview Ltd v Brightview Ltd: Brightview Ltd provided internet services.  Its shares were in two classes, X and Y shares.  Mr Shalson held the majority of X shares through another company called Reedbest Properties Ltd.  Atlasview Ltd controlled the majority of Y shares.  Brightview's business had faltered after it failed to fulfill an immediate demand to repay a loan of £5.24 million from the X shareholders.  An administration order was made.  Shortly after, Brightview was sold to another company owned by the X shareholders.

Macomb Orchard Trail: The Macomb Orchard Trail is a rail trail in Macomb County, Michigan.  It is built on the right-of-way of an early Michigan railroad, the Michigan Air Line Railway, later owned and operated by Canadian National Railway.  The trail stretches from Richmond to Dequindre Road, where it connects to the Clinton River Trail.

Seaford Station Complex: Seaford Station Complex is a historic railway station complex and national historic district located at Seaford, Sussex County, Delaware.  It includes two contributing buildings and two contributing structures and considered an outstanding example of a turn-of-the-20th century, unaltered, small-town railroad complex in Delaware.  They are the Seaford Railroad Station, Seaford Freight Station, the Nanticoke River moveable railroad bridge, and mainline railroad tracks.  The Seaford Railroad Station is brick rectangular building with a large bracketed overhang, built about 1905.  The Seaford Freight Station was built about the same time, and consists of an open porch, covered by an arcaded extension of the roof, with an office and store room.  The Nanticoke River moveable railroad bridge is an iron through-truss structure carrying a single track.  It was built about 1890 by the Pencoyd Bridge and Construction Company of Pencoyd, Pennsylvania.  The main line track north of the depot was double-tracked just before World War I.

Zigurat (company): Zigurat was a Spanish software house for 8-bit home computers very popular in the eighties during the Golden Era of Spanish Software.  Its origin is in the company Made in Spain, founded in 1983, which would know massive success in Spain with "Fred", commercialized in the United Kingdom as "Roland on the Ropes" (only the Amstrad CPC version).  When the programmers and owners of Made in Spain could not go on alone on the task of distribution, they decided to create in 1986 another company, Zigurat, which would be entirely dedicated to distribution, and would distribute all the titles by Made in Spain, which became an internal producer seal under Zigurat.  They would also distribute games by independent programmers or companies and would allow Made in Spain to concretate solely on programming.  Later on, Made in Spain would completely merge into Zigurat, creating a single producer and distributor company.  When the 8-bit market disappeared the company turned to develop games for arcade machines.

Macomb and Western Illinois Railway: The Macomb and Western Illinois Railway was chartered on October 26, 1901.  The railroad was built south along Johnson Street in Macomb, Illinois, to nearby Industry and Littleton by local financier Charles V. Chandler.  It was open for service on January 1, 1904.  It ran for about twenty-five years.

Chicago, Burlington and Quincy Railroad: The Chicago, Burlington and Quincy Railroad (reporting mark CBQ) was a railroad that operated in the Midwestern United States.  Commonly referred to as the Burlington or as the Q, the Burlington Route served a large area, including extensive trackage in the states of Colorado, Illinois, Iowa, Kansas, Kentucky, Missouri, Montana, Nebraska, Wisconsin, Wyoming, and also in New Mexico and Texas through subsidiaries Colorado and Southern Railway, Fort Worth and Denver Railway, and Burlington-Rock Island Railroad.  Its primary connections included Chicago, Minneapolis-St.  Paul, St. Louis, Kansas City and Denver.  Because of this extensive trackage in the midwest and mountain states, the railroad used the advertising slogans "Everywhere West", "Way of the "Zephyrs"", and "The Way West".  It merged into Burlington Northern in 1970.

Baltimore and Ohio Station (Pittsburgh): B&O Railroad Depot was one of several railroad stations in the city of Pittsburgh, Pennsylvania during the late 19th and early 20th century.  The station was built in 1887, 16 years after the B&O Railroad opened its first railroad line into Pittsburgh.  The station was built next to the Monongahela River.  B&O railroad trains also used the Pittsburgh & Lake Erie Railroad Station for services that continued westward towards Chicago via the Pittsburgh & Lake Erie Railroad.  In 1955 the station was demolished to make room for an interstate highway and remaining services were transferred to Grant Street Station.  The building was designed by Frank Furness who also constructed the B&O Railroad's Philadelphia station.

Supporting paragraphs: Macomb station Chicago, Burlington and Quincy Railroad
Answer: 1970