Excerpt from Revista de la Facultad de Agronomía y Veterinaria, Vol. 2: 2a Época, Año II; Julio de 1906, Núm. 1En cuanto esté terminado el primer escalón se pasa si escavar el segundº ó superior, echando la tierra vegetal sobre el más bajo y haciendº el borde de circunvalación B con la tierra excedente.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.