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There is clear evidence that the Minnesota River is the major sediment source for Lake Pepin and that the Le Sueur River is a major source to the Minnesota River. Turbidity levels are high enough to require management actions. We take advantage of the well-constrained Holocene history of the Le Sueur basin and use a combination of remote sensing, fi eld, and stream gauge observations to constrain the contributions of different sediment sources to the Le Sueur River. Understanding the type, location, and magnitude of sediment sources is essential for unraveling the Holocene

Few methods exist to measure declarative (explicit) memory in children during the toddler and preschool stages of development. We report the development and psychometric properties of a new measure of declarative memory for this age group, the Color Object Association Test (COAT). In pilot testing and large scale application of the test, the COAT was demonstrated to be a reliable and a valid measure of declarative memory for healthy children ages 18-36 months, living in a disadvantaged community. The test shows a linear developmental trajectory, which allows longitudinal examination of the development of declarative memory in children.

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This Article will analyze light pollution that trespasses from one property onto another’s property, and the lack of an amicable way to resolve this issue through existing laws. The growth of oil production in West Texas has led to issues with individual landowners and research organizations regarding light emitted from oil rigging lights. Specifically, the McDonald Observatory is one research facility that has been negatively impacted by the increased nightglow from artificial lighting.

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