The details and current status of data requests submitted through the Data Request Help Desk page can be seen here.
USGS US Topo Map Collection (PDF files)
The US Topo collection does not include the PDFs of the topo data yet this data is available via: https://viewer.nationalmap.gov/basic/?basemap=b1&category=ustopo&title=US%20Topo%20Download
Please include the PDF files as an additional format download.
A U.S. Geological Survey open data lead has been notified of your data request.
Thank you for contacting us about the USGS Topo Map collection. If you select "search datasets within this collection" on the US Topo collection page in data.gov (https://catalog.data.gov/dataset/usgs-us-topo-map-collection), you will be brought to a new grouping of records that includes pdf links to all the USGS topo maps. Let us know if this doesn't get you what you need,