Ninety percent of Iowa's land area is in agriculture, the highest of any state in the United States. As you travel the roads in Iowa, you will notice most of the crops are one of two types: corn or soybeans. Corn Native to central Mexico, where . . . — — Map (db m162420) HM
In 1912, there were approximately one million motor vehicles registered in the United States but few good roads. Most of the roads outside of urban areas were dirt that turned to mud when wet. Long-distance travel by car was still very much a . . . — — Map (db m162418) HM
Loess Light-weight grains of feldspar, quartz, and mica are the material of loess. It is homogenous, clayless, and porous. The Hills are strengthened with a dry climate and endangered by erosion when excessive moisture occurs. The . . . — — Map (db m162417) HM
The Loess Hills of Western Iowa are made of wind-blown soils that are highly susceptible to erosion if not protected by a patchwork of conservation practices. All throughout the Loess Hills region, farmers use multiple practices, placed in specific . . . — — Map (db m162419) HM
Welcome to the Loess Hills Scenic Byway,
the first scenic byway in Iowa. Flanking the state's western border, this Byway passes through a unique land formation that's only one to fifteen miles wide and about 200 miles long from near Sioux . . . — — Map (db m292009) HM
Fall brings out goldenrods and sunflowers swarming with soldier beetles feeding on insects attracted to the blooms.
Early bloomers, like pasque flowers, hug the warm ground and are protected from frost by hairy stems and leaves. . . . — — Map (db m234302) HM
Three plaques are on this marker. Top, left plaque
First Naturalists of the American West
The Lewis and Clark Expedition was more than a geographic expedition. Lewis; and Clark became the first scientists to document the natural . . . — — Map (db m76887) HM
Thin black lines indicate changes in relevance. Between each pair of lines entries are ordered geographically but all have the same relevance.
* Inflectional forms of words are their plurals, singulars, and possessives as well as gramatical tenses and similar variations.