1996 Street Network Files and Street Network and Feature Extension Files : reference guide. : CS92-F0024/1997E-PDF

This reference guide is intended for users of any or all 1996 Street Network Files (SNFs) or of the new Street Network and Feature Extension Files (SNFEFs). It provides general information about the products, including a description and the general methodology used to create the products. Since most of the SNFEFs contains a core 1996 SNF, the SNFs are discussed first within each section of this reference guide and the SNFEFs are discussed when applicable. The Data Quality statement gives a detailed description of the various steps in the creation of the SNF and SNFEF, including the new address imputation procedure. This statement also provides information to evaluate the suitability of the data for a particular use. Technical specifications in Section 5 include system requirements, installation guidelines, record layout and item descriptions, and file sizes (in bytes).

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