A topographic map like this has actually been requested a few times, so here you go!
Source Sam Feyaerts
White handmade paper pattern with small bumps.
Source Marquis
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
From a drawing in 'Prose and Verse ', William Linton, 1836.
Source Firkin
The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
You could get a bit dizzy from this one, but it might come in handy.
Source Dertig Media
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
Remixed from a PNG that was uploaded to Pixabay by gingertea
Source Firkin
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A free green background pattern with a pattern of rhombuses on a seamless texture. Feel free to use it as a tiled background image on your web site.
Source V. Hartikainen
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Snowflakes Pattern No Background
Source GDJ
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Remixed from an image on Pixabay uploaded by Prawny
Source Firkin
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo