The content of this guide was derived from ongoing work of a working group on growth models coordinated and facilitated by the SLDS Grant Program's State Support Team. The Statewide Longitudinal Data Systems (SLDS) Grant Program was asked by several states to review current growth models with the goal of determining the impact of different models…

Three-dimensional visualization is helpful in understanding soils, and three dimensional (3-D) tools are gaining popularity in teaching earth sciences. Those tools are still somewhat underused in soil science, yet soil properties such as texture, color, and organic carbon content vary both vertically and horizontally across the landscape. These…

This volume consists of papers by representatives from the six States comprising the Comprehensive Planning State Education Agencies Project (CPSEA). The first paper, by Bernarr S. Furse, outlines common elements appearing in one or more of the models developed by the project States. Everett W. Reimer then details the need for educational planning…