Aerial Photographs (Contact Prints) of Milwaukee, 1937.Source: USDADate flown: WX 8: flown September 26, 1937 WX 9: flown July 26, 1937 WX 22: flown August 4, 1937 WX 25: flown August 12, 1937Scale: WX 8: ca. 1:22,425 WX 9: WX 22: 1:20,000 WX 25: ca. 1:52,000Format: GeoTIFFProjection: State Plane WI-SouthDatum: NAD 1927 Notes: Resolution: most Scanned at 400dpi. Some scanned much lower. Air photos in paper format acquired from UW-Madison Robinson Map Library. Paper air photos scanned and geo-referenced by AGSL staff.greyscale non-ortho-rectified vertical aerial photography covering Milwaukee County Wisconsin; captured July 1937; resolution is 36 inches per pixel; source 9 inch x 7 inch 1:20,000 prints were scanned at 600 pixels per inch and georeferenced via third-order polynomial transformation using high-resolution ortho-rectified imagery as reference