Gaining the knowledge needed to address these questions may require extensive research into the records of government agencies and private corporations. A wide variety of documents and other forms of evidence may also need to be unearthed ranging from land titles, to municipal utility franchises, to Sanborn Fire Insurance Maps and historical photographs. Nor is it enough to merely obtain boxloads of documents and other historical materials. To address many of the questions that arise in complex CERCLA cases, information from a wide variety of sources must be extracted, pieced together, and placed in historical context. The expert historians at Morgan, Angel & Associates possess the skills and initiative required to find relevant documents and other historical materials, to compile a lucid and well-documented account of events, and to present findings in a form appropriate to client needs.