When the settlers in any township not mineral or reserved by the Government, or persons and associations lawfully possessed of coal lands and otherwise qualified to make entry thereof, or when the owners or grantees of public lands of the United States, under any law thereof, desire a survey made of the same under the authority of such agency as the Secretary of the Interior may designate and shall file an application therefor in writing, and shall deposit in a proper United States depository to the credit of the United States a sum sufficient to pay for such survey, together with all expenditures incident thereto, without cost or claim for indemnity on the United States, it shall be lawful for such agency, under such instructions as may be given by the Secretary of the Interior or such officer as he may designate, and in accordance with law, to survey such township or such public lands owned by said grantees of the Government, and make return therefor to the general and proper local land office: , That no application shall be granted unless the township so proposed to be surveyed is within the range of the regular progress of the public surveys embraced by existing standard lines or bases for township and subdivisional surveys.Provided