What's the catalog number I need to order this data set?.Are there legal restrictions on access or use of the data?.How can someone get a copy of the data set?.How consistent are the relationships among the data, including topology?.Where are the gaps in the data? What is missing?.How accurate are the heights or depths?.How accurate are the geographic locations?.How well have the observations been checked?.How reliable are the data what problems remain in the data set?.What similar or related data should the user be aware of?.How were the data generated, processed, and modified?.From what previous works were the data drawn?.To whom should users address questions about the data?.Who are the originators of the data set?.How does the data set describe geographic features?.How does the data set represent geographic features?.
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