A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
Zero CC tillable hard cover red book with X shape marks. Scanned and made by me.
Source Sojan Janso
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Subtle scratches on a light gray background.
Source Andrey Ovcharov
Prismatic Geometric Pattern Background 2
Source GDJ
Pattern produced in Paint.net using the Vibrato plug-in.
Source Firkin
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
A repeating gloomy background image. This one consists of a pattern of black chains layered on top of a dark textured background.
Source V. Hartikainen
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
This is a more minute version of "fishnet 01".The image depicts a seamless pattern of a fishnet with a plenty of fish.It may be a lucky charm for fishermen.
Source Yamachem
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick