31. Almost all of the first three miles of the Northern Extension from Calva Junction through Seaton was rising at 1 in 70. 32. The River Caldew lies to the north, across which is Great Calva , most southerly of the Back o'Skiddaw fells. 33. It formed part of the Manor of Calva which was granted to Walter Talbot in 1610 as part of the Plantation of Ulster. 34. "Agricultural prices fell precipitously, " said Jose Luis Calva , an agricultural economist at the National Autonomous University of Mexico. 35. Calva blames these " neo-liberal " policies for massive dislocation in rural areas that forced many Mexicans to emigrate North.36. Gagali, Kendoba, Bijo, Calva , Pirhassanli, Dzhalayir, Padar, Arabushagi and Garagoyunlu are the greatest villages of the district. 37. The summit is a curving ridge half a mile long, with Great Calva at the eastern end and Little Calva to the west. 38. The summit is a curving ridge half a mile long, with Great Calva at the eastern end and Little Calva to the west. 39. Alternatively Great Calva can be climbed up the pathless south ridge from Skiddaw Forest, which creates a number of options for starting points. 40. The townland formed part of the Manor of Calva which was granted to Walter Talbot in 1610 as part of the Plantation of Ulster.