It's a great poem, Lowell's For the Union Dead. I only recently came across it - at least, that's what I thought - but it's been grunting (I choose the word advisedly) away in my head ever since, especially that fourth verse. Behind their cage, yellow dinosaur steam shovels were grunting as they cropped up tone of mush and grass to gouge their underworld garage. It took a little while for me to realise why. Before (I thought) I'd read it, I wrote a poem about the new housing estates springing up round our little town. I was thinking about the various creatures that had lived on the field that was to be covered with houses - sheep primarily - and then those that were to follow. The first were, well, a sort of dinosaur. Here's my second verse: At first it was the one-armed monsters, set free within their caged arena to trundle round, and gently paw the ground, then pile up mounds of earth accompanied by Lego men. I was pleased