English: The seal of the city of Gaithersburg, Maryland. This image was extracted from the PDF document, 2003 Historic Preservation Element of the City of Gaithersburg's Master Plan, as revised in 2007. The image appears on page 3 of the document, page 6 of the PDF file. It is the image of the Gaithersburg city seal, as it is was adopted in 1970. The PDF document, which is the work of a local government, is unprotected on the Gaithersburg city website, and the PDF metadata contains no copyright notice or use restrictions. The image, as extracted from the PDF, was originally in BMP format. Photoshop was used to convert the document to a PNG to satisfy Wikipedia requirements, but no other modifications were made. As it was found on an edict of the Gaithersburg city government and dates back to 1970, the seal is in the public domain. The city's charter states that it was adopted on February 16, 1970.