On the peninsula, as well as in Zeeland, the land is generally Undulating.
"Due North or Glimpses of Scandinavia and Russia"
Maturin M. Ballou
Whenever he stole a furtive, sidelong glance at her, she was staring straight ahead at the great, Undulating prairie with the brown ribbon, which was the trail, thrown carelessly across to the sky line.
"Lonesome Land"
B. M. Bower
He could see those rocks like sharp black teeth, stretching up to him-a grey sky was above his head and to his right stretched the grey and Undulating moor.
"Fortitude"
Hugh Walpole