541. Springport quadrangle, Michigan

542. St. Charles quadrangle, Missouri Illinois

543. St. Meinrad quadrangle, Indiana

544. St. Paul quadrangle, Nebraska

545. St. Xavier quadrangle, Montana

546. Stapleton quadrangle, Georgia

547. Stonewall quadrangle, Indian Territory Oklahoma

548. Sultana quadrangle, California

549. Tahlequah quadrangle, Indian Territory Arkansas

550. Tejon quadrangle, California

551. Territoire du Ruanda Urundi [Material cartográfico]

552. Thibedeau Lake quadrangle, Montana (Choteau county)

553. This Chart of the Harbour of Blakeney in the County of Norfolk [Material cartográfico] : is dedicated to the Merchants and Owners of Vessels employed in the Coasting Trade

554. This Chart of the River Shannon from its Source to its Mouth [Material cartográfico] :Is Most humbly Dedicated to the Noblemen and Gentlemen, the Proprietors and Land holders contiguous to its Banks

555. Tishomingo quadrangle, Indian Territory (Chickasaw Nation)

556. To the Right Hon±ble÷ The Recorder...the Gentlemen of the Corporation of the City of Bath [Material cartográfico] : This plan is most humbly Dedicated

557. Toleston quadrangle, Indiana (Lake county)

558. Torrance quadrangle, California (Los Angeles county)

559. Torrance quadrangle, California (Los Angeles county)

560. Truckee quadrangle, California