Great Lakes Lumber on the Great Plains: the Laird, Norton Lumber Company in South Dakota

Great Lakes Lumber on the Great Plains: the Laird, Norton Lumber Company in South Dakota

Drought Evolution Patterns in the U.S.A. During Great Plains-Centered Droughts

This study examines the spatial evolution of drought severity within the contiguous United States during the first six months of average Great Plains-centered drought events. It identifies Great Plains-centered drought events from 1895-1989 based on the drought history of the North Central, South Dakota and Low Rolling Plains, Texas climatic divisions. Time series of warmand cold-season average...

Rhagoletis zephyria (Diptera: Tephritidae) in the Great Lakes Basin: a Native Insect on Native Hosts?

In the Great Lakes region, Rhagoletis zephyria Snow (Diptera: Tephritidae) infests snowberries, Symphoricarpos albus variety laevigatus (Fern.) Blake, a western North American native plant that has been introducedwidely into easternNorthAmerica. TheseR. zephyria infestations have beenhypothesized to be the result of ßies thatwere introduced into easternNorthAmerica alongwith their host plants. ...

Estimating Regional Softwood Lumber Supply in the United States Using Seemingly Unrelated Regression

In this article, we present estimates of regional softwood lumber supply functions in the United States using annual time series data for 1959 to 2009. Seemingly unrelated regression is used in a profit maximization framework to model softwood lumber supply as a function of lumber and stumpage prices, lagged supply, wage rate, and interest rate for the eastern and western United States. The eff...

Is the Family Disappearing? Northern Great Plains vs. National Trends in Family Structure

This study compares recent trends in family structure between the nation and the northern Great Plains states of Montana, Nebraska, North Dakota, and South Dakota, using census data from 1950 to 1990. I focus on patterns in two-parent and non-two parent families, and on married women in the labor force, to evaluate Popenoe's thesis that the American family has been declining since 1960. Two exp...