It's not just you, I get an error too. Mine says "failed to load." Curious
to see if others have had this problem as well

On Mon, Feb 12, 2024 at 7:35 AM Brendan Whyte <[log in to unmask]>
wrote:

> Hi all,
>
> I've been trying to download the Iowa 24k topo index from the USGS site so
> I can index our holdings.
> But whether I open it directly from the USGS store,
> https://store.usgs.gov/product/54160 or download the pdf and try opening
> it in Acrobat, Chrome or Edge, I always get a "corrupted file" message.
> Is this just me, or is the file corrupted for all of you stateside as well?
>
> I have found the jpg scan at
> https://www.yellowmaps.com/usgs/topomaps/index-maps/24/ia.jpg  but the
> resolution is a bit low for my needs.
>
> And the pdf booklet index at
> https://publications.iowa.gov/22843/1/Iowa%20index%20to%20topographic%20and%20other%20map%20coverage.pdf is
> neither a single sheet, nor does it have the sheetnames on the map.
>
> Would someone kind be able to point me to/send me (dropbox etc) a decent
> scan/pdf of the index?
>
> Any help much appreciated!
>
> Thank you,
>
> Brendan Whyte
> National Library of Australia
>
>
>