Mammoth 1970s Bernard Robinson p.30 & 31 Dinosaur Paleo original art

Artist: Bernard Herbert Robinson (1930-2004)
Title: Mammoth
Medium: Watercolour on board
Size: Image size 152mm x 425mm; board size 220mm x 520mm
Signed: ‘Robinson’ at bottom left
Notes: Underneath the painting is the publishing info written in pencil. From L-R: 30, Mammoth, 18cm Text, 31.
Most likely published in a 1970/80s dinosaur book (unable to locate which one yet). Publishing info is pencilled below, including the numbers 30 (left side), and 31 (right side) – I guess these are the page numbers.
Robinson was a profuse illustrator of dinosaurs and paleo art in the 1970-80s and was very much a fan favourite in this scene!
Here are just a few of the dinosaur books he illustrated:
‘Dinosaurs’ – published by St. Michael in 1978
‘Age of Dinosaurs’ – published by Kingfisher in 1978
‘Pocket book of Dinosaurs’ – published by Kingfisher in 1984, and a later edition 1987
‘Superbook of Dinosaurs’ – published in 1985
'Junior Illustrated Encyclopaedias’ – published by Prehistoric World in 1987