Cartes topographiques O'Brien County

Altitude moyenne : 440 m

Primghar lies at an elevation of 1520 feet. This area of northwest Iowa is gently rolling. Today, fields are marred by few boggy areas and much of the land is terraced to reduce erosion. Until fill was hauled in, the south side of the courthouse square was a "boggy, muddy slough." When the first settlers…

Altitude moyenne : 455 m

Altitude moyenne : 423 m

Altitude moyenne : 440 m

Altitude moyenne : 443 m