100–150 ft flagpolesin Iowa

Large flagpoles across Iowa

Every part of Iowa is in range from Sioux City to Davenport. The pole ships in sections and is set by crane, and every one is sized to the wind and the ground at its own address.

• The Mississippi counties and the Driftless northeast. A standard wall covers most of it. Where the limestone underneath is hollow, the hole gets looked at before it gets priced.
• Central Iowa and the Des Moines Lobe. The same 90 over flat glacial till, ground so young and so badly drained that it grew nothing until tile went under it. The shaft here is ordinary and the footing is not: the water table can sit high in spring, and there is old tile running under a great deal of ground that now looks like lawn.
• The northern tier and the Iowa Great Lakes. Still 90, over the flattest ground in the state, and Spirit Lake and the Okobojis put open water upwind of a good many sites. Winter is the other half of it. This is freezing-rain country, and ice loads the rope and the truck pulley long before it troubles the shaft, so stainless fittings and a rope run inside the pole earn their money up here.
• Western Iowa and the Loess Hills. Open ground where the nearest shelter is usually the next farmstead, so we start from open exposure here instead of arriving at it. Underneath is loess, a wind-blown silt that behaves like rock until it gets wet. The footing is drawn for that soil, and it is where the extra cost lands rather than in the shaft.