Metal Detecting Research and Exploration - A Complete Guide, page 66
Other Forms of Research
OLD PHOTOGRAPHS and LITHOGRAPHS HELP IN PINPOINTING EXACT SPOTS FOR METAL DETECTING
Old photographs, historic lithographs and vintage postcards can be worth a thousand footsteps as well as words. They will give you a first-hand visual description of the place of your interest, let you see all changes that occurred in the area over the years, and enable you to pinpoint exact location of the spot among the modern infrastructure.
19th Century Lithograph Depicting A City Built Around A Paper Mill
A Good Hunt Site
Tools for research can take on other forms and types. More likely you will develop your own research methods and techniques. Always think like a detective, develop a concentrated self-discipline, be persistent, diligent and dedicated, be curious, and have fun!
I Wish I Could Use this 1650 Print of New Amsterdam (NYC) for Exploration and Metal Detecting