IV. ANALYSIS OF THE DATA In this section, the results of the overlay or sieve analysis discussed in the methodology section of this report are presented. Prior to presenting the results of this effort, a number of issues need to be discussed concerning the analytical format and the interpretation of the results. First, through the establishment of a computer overlay capability, a very large number of maps could have been produced. The actual number of potential maps would be 36 factorial. For this reason, only 11 overlay maps (called summary maps) are included in this report. However, a tabular description of the "eligible" areas is included in a table accompanying the synthesis map. Therefore, an attempt was made to show all of the data in a consistent format. It is important to note that all of this data does exist on data tapes, and an operator at the terminal could pick and choose those variables to be overlayed. In many respects, the results of the analysis require little if any accompanying written explanation. The major information needed for interpretation is the base map used and the new variable added to the overlay. The protocol established was to create a synthesis map, and then to add a new variable to the existing synthesis. The protocol followed in the 11 synthesis maps is as follows: 1. Summary Map 1: This map consists of overlaying five variables. Those variables utilized were (1) National Recreation Areas, (2) Population (all 3 variables), (3) Topography Unacceptable Without South Slopes, (4) Navigable Waterways and (5) Marshland Vegetation. 2. Summary Map 2: This map was composed by overlaying Summary Map 1 with Wetlands. 3. Summary Map 3: This map. was composed by overlaying Summary Map 2 with South Slopes of Unacceptable Topography.
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