Question: What county is The Northland Arboretum located in?

Context paragraphs:
Edith J. Carrier Arboretum: The Edith J. Carrier Arboretum is an arboretum and botanical garden on the James Madison University campus, located in Harrisonburg, Virginia, United States in the Shenandoah Valley.  Groundbreaking for the arboretum took place April, 1985, under direction of Dr. Norlyn Bodkin,[1] who is credited the first scientific botanical discovery along the Eastern Seaboard of Virginia since the 1940s, Trillium: Shenandoah Wake Robin, presently found at the arboretum[2].  The only arboretum located on the campus of a Virginia state university.  Exhibits include a developed trail system through 125 acre of mature Oak-Hickory Forrest with two identified century specimens and a species on the U.S. Fish and Wildlife Threatened Species list protected at the arboretum: Betula uber, Round-Leaf Birch. [3]

Brainerd, Minnesota: Brainerd is a city in Crow Wing County, Minnesota, United States.  Its population was 13,592 as of the 2010 census.  It is the county seat of Crow Wing County, and is one of the largest cities in Central Minnesota.  Brainerd straddles the Mississippi River several miles upstream from its confluence with the Crow Wing River, having been founded as a site for a railroad crossing above said confluence.  Brainerd is the principal city of the Brainerd Micropolitan Area, a micropolitan area covering Cass and Crow Wing counties and with a combined population of 91,067 as of the 2010 census.  The Brainerd area serves as a major tourist destination for Minnesota, and Baxter is a regional retail center.

Korea National Arboretum: Korea National Arboretum (:국립수목원) is an arboretum located in Jikdong-ri, Soheul eup, Pocheon city of Gyeonggi Province of South Korea.  Before 1999, the arboretum was called "Arboretum Gwangneung".

Arboretum de Pézanin: The Arboretum de Pézanin or Arboretum Domanial de Pézanin ("Federal Arboretum of Pézanin") is an arboretum located in Dompierre-les-Ormes, Saône-et-Loire, Bourgogne, France.

Arboretum of Craonne: The Arboretum of Craonne (French "Arboretum de Craonne") is a 7-hectare arboretum located near Craonne, Aisne, Picardy, France.  The arboretum was planted on the site of the former village of Craonne, totally devastated between April and May 1917 by French artillery during the First World War, and serves as the village's memorial.  Its cratered landscape is a reminder of the war's extreme destruction.  Today the arboretum contains 57 varieties of trees, together with signs displaying maps and photographs of the former village.  It is open every day without an entry fee.

Arboretum des Milelli: The Arboretum des Milelli is an arboretum located on the 12-hectare grounds of Les Milelli, outside Ajaccio, Corse-du-Sud, Corsica, France.  Les Milelli was the long-time summer retreat of the ancestors of Napoleon I of France, and one of his childhood residences; its olive groves provided a large part of the family's income.  The house itself is closed to visitors, but its grounds and arboretum are open.  The arboretum contains woody plants representative of Mediterranean flora; an admission fee is charged.  The name I milelli means " the little apple trees " in Corsican language.

Northland Arboretum: The Northland Arboretum is a 583-acre non-profit arboretum and nature reserve in Brainerd, Minnesota, United States.

Arboretum Gaston Allard: The Arboretum Gaston Allard (7 hectares), also known as the Arboretum d'Angers and formerly the Arboretum de la Maulévrie, is a municipal arboretum located at 9, rue du Château d’Orgement, Angers, Maine-et-Loire, Pays de la Loire, France.  It is open daily.

William F. Curtis Arboretum: William F. Curtis Arboretum (84 acres), sometimes called Curtis Arboretum, is an arboretum located on the campus of Cedar Crest College, in Allentown, Lehigh County, Pennsylvania in the United States.  The arboretum contains more than 140 varieties of trees, shrubs, and flowering bushes.

Louise Pearson Memorial Arboretum: The Louise Pearson Memorial Arboretum is an arboretum located in the Green Frog Historic Village, Crockett County, Tennessee.  The arboretum was created by the Bells Garden Club in 2001 and included about 30 varieties of trees indigenous to the area.  The club named the arboretum in honor of deceased garden club member Louise Pearson.

Supporting paragraphs: Northland Arboretum Brainerd, Minnesota
Answer: Crow Wing County