THE EARLY HISTORY, 1776 - 1870 The Domínguez-Escalante Expedition The recorded history of Glen Canyon opens in 1776 when the Spanish exploring party, headed by two Franciscan friars, Francisco Atanasio Domínguez and Silvestre Velez de Escalante, crossed the Colorado River at the place later known as El Vado de los Padres, or as the Crossing of the Fathers, its present designation. Documentary research in Spanish records, particularly those pertaining to New Mexico, whence the approach most probably would have been made, may uncover earlier references to the canyon but it seems unlikely. Once New Mexico was firmly established, by 1610, Spain was sorely pressed much of the time thereafter to preserve the province from attack by the Indian t...